avocation vs hobby

avocation and hobby both are nouns.

Word	Noun	Adjective	Verb	Adverb
avocation	Yes	No	No	No
hobby	Yes	No	No	No

As nouns, avocation and hobby are synonyms defined as:

Other synonyms of avocation include by-line, pursuit, sideline, spare-time activity.

avocation (noun)	hobby (noun)
an auxiliary activity	an auxiliary activity
	small Old World falcon formerly trained and flown at small birds
	a child's plaything consisting of an imitation horse mounted on rockers; the child straddles it and pretends to ride