Avogadro's hypothesis vs Avogadro's law

Avogadro's hypothesis and Avogadro's law both are nouns.

Word	Noun	Adjective	Verb	Adverb
Avogadro's hypothesis	Yes	No	No	No
Avogadro's law	Yes	No	No	No

As nouns, Avogadro's hypothesis and Avogadro's law are synonyms defined as:

Avogadro's hypothesis and Avogadro's law: the principle that equal volumes of all gases (given the same temperature and pressure) contain equal numbers of molecules

Avogadro's hypothesis (noun)	Avogadro's law (noun)
the principle that equal volumes of all gases (given the same temperature and pressure) contain equal numbers of molecules	the principle that equal volumes of all gases (given the same temperature and pressure) contain equal numbers of molecules