One in Messiah Congregation
Dogs in the scriptures are always used in the negative .
Spiritual meaning of the word dog in these verses is people of other nations than Israel
The woman is talking about herself, a Greek, a Syrophenician by nation, lived in Canaan
Matt.15[ 22] And, behold, a woman of Canaan came out of the same coasts, and cried unto him, saying, Have mercy on me, O Lord, thou Son of David; my daughter is grievously vexed with a devil.[ 23] But he answered her not a word. And his disciples came and besought him, saying, Send her away; for she crieth after us. But he answered and said, I am not sent but unto the lost sheep of the house of Israel.[ 25] Then came she and worshipped him, saying, Lord, help me. But he answered and said, It is not meet to take the children's bread, and to cast it to dogs. And she said, Truth, Lord: yet the dogs eat of the crumbs which fall from their masters' table.
Mark.7[ 25] For a certain woman, whose young daughter had an unclean spirit, heard of him, and came and fell at his feet: The woman was a Greek, a Syrophenician by nation ; and she besought him that he would cast forth the devil out of her daughter.[27 ] But Jesus said unto her, Let the children first be filled: for it is not meet to take the children's bread, and to cast it unto the dogs.[ 28] And she answered and said unto him, Yes, Lord: yet the dogs under the table eat of the children's crumbs.
Exod.11[ 7] But against any of the children of Israel shall not a dog move his tongue, against man or beast: that ye may know how that the LORD doth put a difference between the Egyptians and Israel.
Exod.22[ 31] And ye shall be holy men unto me: neither shall ye eat any flesh that is torn of beasts in the field; ye shall cast it to the dogs.
Deut.23[ 18] Thou shalt not bring the hire of a whore, or the price of a dog , into the house of the LORD thy God for any vow: for even both these are abomination unto the LORD thy God.
Judg.7[ 5] So he brought down the people unto the water: and the LORD said unto Gideon, Every one that lappeth of the water with his tongue, as a dog lappeth, him shalt thou set by himself; likewise every one that boweth down upon his knees to drink.
1Sam.17[ 43] And the Philistine said unto David, Am I a dog, that thou comest to me with staves? And the Philistine cursed David by his gods.
1Sam.24[ 14] After whom is the king of Israel come out? after whom dost thou pursue? after a dead dog, after a flea.
2Sam.3[ 8] Then was Abner very wroth for the words of Ish-bosheth, and said, Am I a dog 's head, which against Judah do shew kindness this day unto the house of Saul thy father, to his brethren, and to his friends, and have not delivered thee into the hand of David, that thou chargest me to day with a fault concerning this woman?
2Sam.9[ 8] And he bowed himself, and said, What is thy servant, that thou shouldest look upon such a dead dog as I am?
2Sam.16[ 9] Then said Abishai the son of Zeruiah unto the king, Why should this dead dog curse my lord the king? let me go over, I pray thee, and take off his head.
1Kgs.14[ 11] Him that dieth of Jeroboam in the city shall the dogs eat; and him that dieth in the field shall the fowls of the air eat: for the LORD hath spoken it.
1Kgs.16[ 4] Him that dieth of Baasha in the city shall the dogs eat; and him that dieth of his in the fields shall the fowls of the air eat.
1Kgs.21[ 19] And thou shalt speak unto him, saying, Thus saith the LORD, Hast thou killed, and also taken possession? And thou shalt speak unto him, saying, Thus saith the LORD, In the place where dogs licked the blood of Naboth shall dogs lick thy blood, even thine .
 And of Jezebel also spake the LORD, saying, The dogs shall eat Jezebel by the wall of Jezreel .  Him that dieth of Ahab in the city the dogs shall eat ; and him that dieth in the field shall the fowls of the air eat.
1Kgs.22[ 38] And one washed the chariot in the pool of Samaria; and the dogs licked up his blood; and they washed his armour; according unto the word of the LORD which he spake.
2Kgs.8[ 13] And Hazael said, But what, is thy servant a dog, that he should do this great thing? And Elisha answered, The LORD hath shewed me that thou shalt be king over Syria.
2Kgs.9[ 10] And the dogs shall eat Jezebel in the portion of Jezreel, and there shall be none to bury her. And he opened the door, and fled.
 Wherefore they came again, and told him. And he said, This is the word of the LORD, which he spake by his servant Elijah the Tishbite, saying, In the portion of Jezreel shall dogs eat the flesh of Jezebel:
Job.30[ 1] But now they that are younger than I have me in derision, whose fathers I would have disdained to have set with the dogs of my flock.
Pss.22[ 16] For dogs have compassed me: the assembly of the wicked have inclosed me: they pierced my hands and my feet.
 Deliver my soul from the sword; my darling from the power of the dog.
Pss.59[ 6] They return at evening: they make a noise like a dog, and go round about the city.
 And at evening let them return; and let them make a noise like a dog, and go round about the city.
Pss.68[ 23] That thy foot may be dipped in the blood of thine enemies, and the tongue of thy dogs in the same.
Prov.26[ 11] As a dog returneth to his vomit , so a fool returneth to his folly.
 He that passeth by, and meddleth with strife belonging not to him, is like one that taketh a dog by the ears.
Escc.9[ 4] For to him that is joined to all the living there is hope: for a living dog is better than a dead lion.
Isa.56[ 10] His watchmen are blind: they are all ignorant, they are all dumb dogs , they cannot bark; sleeping, lying down, loving to slumber.  Yea, they are greedy dogs which can never have enough, and they are shepherds that cannot understand: they all look to their own way, every one for his gain, from his quarter.
Isa.66[ 3] He that killeth an ox is as if he slew a man; he that sacrificeth a lamb, as if he cut off a dog's neck; he that offereth an oblation, as if he offered swine's blood; he that burneth incense, as if he blessed an idol. Yea, they have chosen their own ways, and their soul delighteth in their abominations.
Jer.15[ 3] And I will appoint over them four kinds, saith the LORD: the sword to slay, and the dogs to tear, and the fowls of the heaven, and the beasts of the earth, to devour and destroy.
2Pet.2[ 22] But it is happened unto them according to the true proverb, The dog is turned to his own vomit again ; and the sow that was washed to her wallowing in the mire.
Matt.7[ 6] Give not that which is holy unto the dogs, neither cast ye your pearls before swine, lest they trample them under their feet, and turn again and rend you.
Phil.3[ 2] Beware of dogs , beware of evil workers, beware of the concision.
Rev.22[ 14] Blessed are they that do his commandments, that they may have right to the tree of life, and may enter in through the gates into the city.[15 ] For without are dogs , and sorcerers, and whoremongers, and murderers, and idolaters, and whosoever loveth and maketh a lie.