supply vs stocking

supply and stocking both are nouns.

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

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

supply (noun)	stocking (noun)
the activity of supplying or providing something	the activity of supplying a stock of something
offering goods and services for sale	close-fitting hosiery to cover the foot and leg; come in matched pairs (usually used in the plural)
an amount of something available for use

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