peculiarity vs individualism

peculiarity and individualism both are nouns.

Word	Noun	Adjective	Verb	Adverb
peculiarity	Yes	No	No	No
individualism	Yes	No	No	No

As nouns, individualism is a hypernym of peculiarity; that is, individualism is a word with a broader meaning than peculiarity:

Other hypernyms of peculiarity include individuality, individuation.

peculiarity (noun)	individualism (noun)
something unusual -- perhaps worthy of collecting	the quality of being individual
a distinguishing trait	the doctrine that government should not interfere in commercial affairs
an odd or unusual characteristic	a belief in the importance of the individual and the virtue of self-reliance and personal independence