supply vs subvention

supply and subvention both are nouns.

Word	Noun	Adjective	Verb	Adverb
supply	Yes	No	Yes	No
subvention	Yes	No	Yes	No

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

supply (noun)	subvention (noun)
the activity of supplying or providing something	the act or process of providing aid or help of any sort
offering goods and services for sale	grant of financial aid as from a government to an educational institution
an amount of something available for use

supply (verb)	subvention (verb)
state or say further	guarantee financial support of
give what is desired or needed, especially support, food or sustenance
give something useful or necessary to
circulate or distribute or equip with