grass vs inform

grass is a noun but inform is not a noun.

Word	Noun	Adjective	Verb	Adverb
grass	Yes	No	Yes	No
inform	No	No	Yes	No

As verbs, inform is a hypernym of grass; that is, inform is a word with a broader meaning than grass:

grass (noun)	inform (noun)
street names for marijuana
bulky food like grass or hay for browsing or grazing horses or cattle
a police informer who implicates many people
narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay

grass (verb)	inform (verb)
give away information about somebody	give character or essence to
shoot down, of birds	impart knowledge of some fact, state of affairs, or event to
feed with grass	act as an informer
cover with grass
spread out clothes on the grass to let it dry and bleach