zeta wrench vs Inbus key

zeta wrench and Inbus key both are nouns.

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

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

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

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