boost vs morale builder

boost and morale builder both are nouns.

Word	Noun	Adjective	Verb	Adverb
boost	Yes	No	Yes	No
morale builder	Yes	No	No	No

As nouns, morale builder is a hyponym of boost; that is, morale builder is a word with a more specific, narrower meaning than boost:

Other hyponyms of boost include morale booster, morale building.

boost (noun)	morale builder (noun)
the act of giving hope or support to someone	anything that serves to increase morale
the act of giving a push	something or someone who influences by building or strengthening morale
an increase in cost

boost (verb)	morale builder (verb)
increase or raise
give a boost to; be beneficial to
push or shove upward, as if from below or behind
increase
contribute to the progress or growth of