hemipode vs wader

hemipode and wader both are nouns.

Word	Noun	Adjective	Verb	Adverb
hemipode	Yes	No	No	No
wader	Yes	No	No	No

As nouns, wader is a hypernym of hemipode; that is, wader is a word with a broader meaning than hemipode:

hemipode: small quail-like terrestrial bird of southern Eurasia and northern Africa that lacks a hind toe; classified with wading birds but inhabits grassy plains
wader: any of many long-legged birds that wade in water in search of food

Other hypernyms of hemipode include wading bird.

hemipode (noun)	wader (noun)
small quail-like terrestrial bird of southern Eurasia and northern Africa that lacks a hind toe; classified with wading birds but inhabits grassy plains	any of many long-legged birds that wade in water in search of food