seta vs podetium

seta and podetium both are nouns.

Word	Noun	Adjective	Verb	Adverb
seta	Yes	No	No	No
podetium	Yes	No	No	No

As nouns, podetium is a hypernym of seta; that is, podetium is a word with a broader meaning than seta:

seta: stalk of a moss capsule
podetium: an organ or body resembling a stalk; especially the outgrowth of the thallus of certain lichens on which the ascocarp is borne

seta (noun)	podetium (noun)
a stiff hair or bristle	an organ or body resembling a stalk; especially the outgrowth of the thallus of certain lichens on which the ascocarp is borne
stalk of a moss capsule