chumminess vs camaraderie

chumminess and camaraderie both are nouns.

Word	Noun	Adjective	Verb	Adverb
chumminess	Yes	No	No	No
camaraderie	Yes	No	No	No

As nouns, chumminess and camaraderie are synonyms defined as:

chumminess and camaraderie: the quality of affording easy familiarity and sociability

Other synonyms of chumminess include comradeliness, comradery, comradeship.

chumminess (noun)	camaraderie (noun)
the quality of affording easy familiarity and sociability	the quality of affording easy familiarity and sociability