vial vs phial

vial and phial both are nouns.

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

As nouns, vial and phial are synonyms defined as:

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

Other synonyms of vial include ampoule, ampul, ampule.

vial (noun)	phial (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)