filamentlike vs filiform

filamentlike and filiform both are adjectives.

Word	Noun	Adjective	Verb	Adverb
filamentlike	No	Yes	No	No
filiform	No	Yes	No	No

As adjectives, filamentlike and filiform are synonyms defined as:

Other synonyms of filamentlike include filamentous, threadlike, thready.

filamentlike (adjective)	filiform (adjective)
thin in diameter; resembling a thread	thin in diameter; resembling a thread