zeta wrench vs Unbrako key

zeta wrench and Unbrako key both are nouns.

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

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

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

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