phial vs vial

phial and vial both are nouns.

Word	Noun	Adjective	Verb	Adverb
phial	Yes	No	No	No
vial	Yes	No	No	No

As nouns, phial and vial are synonyms defined as:

phial and vial: a small bottle that contains a drug (especially a sealed sterile container for injection by needle)

Other synonyms of phial include ampoule, ampul, ampule.

phial (noun)	vial (noun)
a small bottle that contains a drug (especially a sealed sterile container for injection by needle)	a small bottle that contains a drug (especially a sealed sterile container for injection by needle)