grub vs chow

grub and chow both are nouns.

Word	Noun	Adjective	Verb	Adverb
grub	Yes	No	Yes	No
chow	Yes	No	No	No

As nouns, grub and chow are synonyms defined as:

Other synonyms of grub include chuck, eats.

grub (noun)	chow (noun)
a soft thick wormlike larva of certain beetles and other insects	breed of medium-sized dogs with a thick coat and fluffy curled tails and distinctive blue-black tongues; believed to have originated in northern China
informal terms for a meal	informal terms for a meal

grub (verb)	chow (verb)
search about busily
ask for and get free; be a parasite