flatter vs kotow

flatter is not a noun while kotow is a noun.

Word	Noun	Adjective	Verb	Adverb
flatter	No	No	Yes	No
kotow	Yes	No	Yes	No

As verbs, kotow is a hyponym of flatter; that is, kotow is a word with a more specific, narrower meaning than flatter:

Other hyponyms of flatter include soft-soap, adulate, stroke, bootlick, fawn, kowtow, suck up, toady, truckle, brown-nose, butter up.

flatter (noun)	kotow (noun)
	a former Chinese custom of touching the ground with the forehead as a sign of respect or submission

flatter (verb)	kotow (verb)
praise somewhat dishonestly	try to gain favor by cringing or flattering