kph vs kilometres per hour

kph and kilometres per hour both are nouns.

Word	Noun	Adjective	Verb	Adverb
kph	Yes	No	No	No
kilometres per hour	Yes	No	No	No

As nouns, kph and kilometres per hour are synonyms defined as:

kph and kilometres per hour: the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)

Other synonyms of kph include kilometers per hour, km/h.

kph (noun)	kilometres per hour (noun)
the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)	the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)