Notice:
Sublimation and deposition
Evaporation and condensation
Therefore,
Meltion and freezion
comments
freezation = glaciation (one definition). “meltion” should be similar to “liquification“, but the term was never used to describe something becoming liquid (source: wiktionary).
formation and destruction
Meltation and freezation
Possibly, but it’s not deposation, it’s deposition.
Meltition and freezition
compromise: meltation and freezition