chumminess vs comradery

chumminess and comradery both are nouns.

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

As nouns, chumminess and comradery are synonyms defined as:

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

Other synonyms of chumminess include camaraderie, comradeliness, comradeship.

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