ribbed toad vs tailed frog

ribbed toad and tailed frog both are nouns.

Word	Noun	Adjective	Verb	Adverb
ribbed toad	Yes	No	No	No
tailed frog	Yes	No	No	No

As nouns, ribbed toad and tailed frog are synonyms defined as:

ribbed toad and tailed frog: western North American frog with a taillike copulatory organ

Other synonyms of ribbed toad include Ascaphus trui, bell toad, tailed toad.

ribbed toad (noun)	tailed frog (noun)
western North American frog with a taillike copulatory organ	western North American frog with a taillike copulatory organ