agua vs true toad

agua and true toad both are nouns.

Word	Noun	Adjective	Verb	Adverb
agua	Yes	No	No	No
true toad	Yes	No	No	No

As nouns, true toad is a hypernym of agua; that is, true toad is a word with a broader meaning than agua:

agua: largest known toad species; native to Central America; valuable destroyer of insect pests
true toad: tailless amphibian similar to a frog but more terrestrial and having drier warty skin

agua (noun)	true toad (noun)
largest known toad species; native to Central America; valuable destroyer of insect pests	tailless amphibian similar to a frog but more terrestrial and having drier warty skin