thermograph vs thermometrograph

thermograph and thermometrograph both are nouns.

Word	Noun	Adjective	Verb	Adverb
thermograph	Yes	No	No	No
thermometrograph	Yes	No	No	No

As nouns, thermograph and thermometrograph are synonyms defined as:

thermograph and thermometrograph: a thermometer that records temperature variations on a graph as a function of time

thermograph (noun)	thermometrograph (noun)
a thermometer that records temperature variations on a graph as a function of time	a thermometer that records temperature variations on a graph as a function of time
medical instrument that uses an infrared camera to reveal temperature variations on the surface of the body