chap vs blighter

chap and blighter both are nouns.

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

As nouns, chap and blighter are synonyms defined as:

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

chap (noun)	blighter (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 persistently annoying person
a crack in a lip caused usually by cold	a boy or man
a boy or man
a long narrow depression in a surface

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