popular front vs alinement

popular front and alinement both are nouns.

Word	Noun	Adjective	Verb	Adverb
popular front	Yes	No	No	No
alinement	Yes	No	No	No

As nouns, alinement is a hypernym of popular front; that is, alinement is a word with a broader meaning than popular front:

popular front: a leftist coalition organized against a common opponent
alinement: an organization of people (or countries) involved in a pact or treaty

Other hypernyms of popular front include alignment, alliance, coalition.

popular front (noun)	alinement (noun)
a leftist coalition organized against a common opponent	an organization of people (or countries) involved in a pact or treaty