PTO vs power takeoff

PTO and power takeoff both are nouns.

Word	Noun	Adjective	Verb	Adverb
PTO	Yes	No	No	No
power takeoff	Yes	No	No	No

As nouns, PTO and power takeoff are synonyms defined as:

PTO and power takeoff: a device that transfers power from an engine (as in a tractor or other motor vehicle) to another piece of equipment (as to a pump or jackhammer)

PTO (noun)	power takeoff (noun)
a device that transfers power from an engine (as in a tractor or other motor vehicle) to another piece of equipment (as to a pump or jackhammer)	a device that transfers power from an engine (as in a tractor or other motor vehicle) to another piece of equipment (as to a pump or jackhammer)