distinctive feature vs distinguishing characteristic

distinctive feature and distinguishing characteristic both are nouns.

Word	Noun	Adjective	Verb	Adverb
distinctive feature	Yes	No	No	No
distinguishing characteristic	Yes	No	No	No

As nouns, distinctive feature and distinguishing characteristic are synonyms defined as:

distinctive feature and distinguishing characteristic: an odd or unusual characteristic

Other synonyms of distinctive feature include peculiarity.

distinctive feature (noun)	distinguishing characteristic (noun)
an odd or unusual characteristic	an odd or unusual characteristic