horned toad vs horny frog

horned toad and horny frog both are nouns.

Word	Noun	Adjective	Verb	Adverb
horned toad	Yes	No	No	No
horny frog	Yes	No	No	No

As nouns, horned toad and horny frog are synonyms defined as:

horned toad and horny frog: insectivorous lizard with hornlike spines on the head and spiny scales on the body; of western North America

Other synonyms of horned toad include horned lizard.

horned toad (noun)	horny frog (noun)
insectivorous lizard with hornlike spines on the head and spiny scales on the body; of western North America	insectivorous lizard with hornlike spines on the head and spiny scales on the body; of western North America