fete vs eisteddfod

fete and eisteddfod both are nouns.

Word	Noun	Adjective	Verb	Adverb
fete	Yes	No	Yes	No
eisteddfod	Yes	No	No	No

As nouns, eisteddfod is a hyponym of fete; that is, eisteddfod is a word with a more specific, narrower meaning than fete:

fete: an organized series of acts and performances (usually in one place)
eisteddfod: any of several annual Welsh festivals involving artistic competitions (especially in singing)

fete (noun)	eisteddfod (noun)
an organized series of acts and performances (usually in one place)	any of several annual Welsh festivals involving artistic competitions (especially in singing)
an elaborate party (often outdoors)

fete (verb)	eisteddfod (verb)
have a celebration