eld vs voting age

eld and voting age both are nouns.

Word	Noun	Adjective	Verb	Adverb
eld	Yes	No	No	No
voting age	Yes	No	No	No

As nouns, voting age is a hyponym of eld; that is, voting age is a word with a more specific, narrower meaning than eld:

eld: a time of life (usually defined in years) at which some particular qualification or power arises
voting age: the age at which a person is old enough to vote in public elections

Other hyponyms of eld include age of consent, legal age, majority, minority, nonage, drinking age.

eld (noun)	voting age (noun)
a late time of life	the age at which a person is old enough to vote in public elections
a time of life (usually defined in years) at which some particular qualification or power arises