flatten vs splat

flatten is not a noun while splat is a noun.

Word	Noun	Adjective	Verb	Adverb
flatten	No	No	Yes	No
splat	Yes	No	Yes	No

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

Other hyponyms of flatten include press.

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

Other hyponyms of flatten include steamroll, steamroller, roll, roll out, laminate.

flatten (noun)	splat (noun)
	a slat of wood in the middle of the back of a straight chair
	a single splash

flatten (verb)	splat (verb)
become flat or flatter	split open and flatten for cooking
make flat or flatter	flatten on impact
lower the pitch of (musical notes)	give off the sound of a bullet flattening on impact