Gastropoda vs Gasteropoda

Gastropoda and Gasteropoda both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gastropoda	Yes	No	No	No
Gasteropoda	Yes	No	No	No

As nouns, Gastropoda and Gasteropoda are synonyms defined as:

Other synonyms of Gastropoda include class Gasteropoda, class Gastropoda.

Gastropoda (noun)	Gasteropoda (noun)
snails and slugs and their relatives	snails and slugs and their relatives