testiere vs front-stall

testiere and front-stall both are nouns.

Word	Noun	Adjective	Verb	Adverb
testiere	Yes	No	No	No
front-stall	Yes	No	No	No

As nouns, testiere and front-stall are synonyms defined as:

testiere and front-stall: medieval plate armor to protect a horse's head

Other synonyms of testiere include chamfron, chanfron, frontstall.

testiere (noun)	front-stall (noun)
medieval plate armor to protect a horse's head	medieval plate armor to protect a horse's head