latent heat vs heat of transformation

latent heat and heat of transformation both are nouns.

Word	Noun	Adjective	Verb	Adverb
latent heat	Yes	No	No	No
heat of transformation	Yes	No	No	No

As nouns, latent heat and heat of transformation are synonyms defined as:

latent heat and heat of transformation: heat absorbed or radiated during a change of phase at a constant temperature and pressure

latent heat (noun)	heat of transformation (noun)
heat absorbed or radiated during a change of phase at a constant temperature and pressure	heat absorbed or radiated during a change of phase at a constant temperature and pressure