power takeoff vs PTO

power takeoff and PTO both are nouns.

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

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

power takeoff and PTO: 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)

power takeoff (noun)	PTO (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)