sol vs hydrosol

sol and hydrosol both are nouns.

Word	Noun	Adjective	Verb	Adverb
sol	Yes	No	No	No
hydrosol	Yes	No	No	No

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

sol: a colloid that has a continuous liquid phase in which a solid is suspended in a liquid
hydrosol: a sol (colloid) in which the continuous phase is water.

sol (noun)	hydrosol (noun)
the syllable naming the fifth (dominant) note of any musical scale in solmization	a sol (colloid) in which the continuous phase is water.
a colloid that has a continuous liquid phase in which a solid is suspended in a liquid