chap vs fella

chap and fella both are nouns.

Word	Noun	Adjective	Verb	Adverb
chap	Yes	No	Yes	No
fella	Yes	No	No	No

As nouns, chap and fella are synonyms defined as:

Other synonyms of chap include blighter, bloke, cuss, feller, fellow, gent, lad.

chap (noun)	fella (noun)
(usually in the plural) leather leggings without a seat; joined by a belt; often have flared outer flaps; worn over trousers by cowboys to protect their legs	a boy or man
a crack in a lip caused usually by cold
a boy or man
a long narrow depression in a surface

chap (verb)	fella (verb)
crack due to dehydration