dodo vs fossil

dodo and fossil both are nouns.

Word	Noun	Adjective	Verb	Adverb
dodo	Yes	No	No	No
fossil	Yes	Yes	No	No

As nouns, dodo and fossil are synonyms defined as:

Other synonyms of dodo include fogey, fogy.

dodo (noun)	fossil (noun)
extinct heavy flightless bird of Mauritius related to pigeons	the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil
someone whose style is out of fashion	someone whose style is out of fashion

dodo (adjective)	fossil (adjective)
	characteristic of a fossil