order Ganoidei vs Ganoidei

order Ganoidei and Ganoidei both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Ganoidei	Yes	No	No	No
Ganoidei	Yes	No	No	No

As nouns, order Ganoidei and Ganoidei are synonyms defined as:

order Ganoidei and Ganoidei: a group of mostly extinct primitive bony fishes characterized by armor-like bony scales

order Ganoidei (noun)	Ganoidei (noun)
a group of mostly extinct primitive bony fishes characterized by armor-like bony scales	a group of mostly extinct primitive bony fishes characterized by armor-like bony scales