Unbrako key vs Inbus wrench

Unbrako key and Inbus wrench both are nouns.

Word	Noun	Adjective	Verb	Adverb
Unbrako key	Yes	No	No	No
Inbus wrench	Yes	No	No	No

As nouns, Unbrako key and Inbus wrench are synonyms defined as:

Other synonyms of Unbrako key include Allen key, hex key, Inbus key, Unbrako wrench, zeta key, zeta wrench.

Unbrako key (noun)	Inbus wrench (noun)
a wrench for Allen screws	a wrench for Allen screws