psalmist vs composer

psalmist and composer both are nouns.

Word	Noun	Adjective	Verb	Adverb
psalmist	Yes	No	No	No
composer	Yes	No	No	No

As nouns, composer is a hypernym of psalmist; that is, composer is a word with a broader meaning than psalmist:

psalmist (noun)	composer (noun)
a composer of sacred songs	someone who composes music, usually as a profession