pains vs jehad

pains and jehad both are nouns.

Word	Noun	Adjective	Verb	Adverb
pains	Yes	No	No	No
jehad	Yes	No	No	No

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

pains: an effortful attempt to attain a goal
jehad: a holy struggle or striving by a Muslim for a moral or spiritual or political goal

Other hyponyms of pains include jihad.

pains (noun)	jehad (noun)
an effortful attempt to attain a goal	a holy struggle or striving by a Muslim for a moral or spiritual or political goal