comb vs ransack

comb is a noun but ransack is not a noun.

Word	Noun	Adjective	Verb	Adverb
comb	Yes	No	Yes	No
ransack	No	No	Yes	No

As verbs, comb and ransack are synonyms defined as:

comb (noun)	ransack (noun)
the act of drawing a comb through hair
ciliated comb-like swimming plate of a ctenophore
the fleshy red crest on the head of the domestic fowl and other gallinaceous birds
a flat device with narrow pointed teeth on one edge; disentangles or arranges hair
any of several tools for straightening fibers

comb (verb)	ransack (verb)
smoothen and neaten with or as with a comb	search thoroughly
search thoroughly	steal goods; take as spoils
straighten with a comb