snek_boistalagTite and stalagMite: The "t" in stalactite looks like a stalactite, hanging from the ceiling. Similarly, the "m" in stalagmite looks like a stalagmite, rising from the floor.
I always heard it as “-tite” because it hangs tight to the ceiling and “-mite” because it might poke you in the ass
RebekahWSDTight to the ceiling and Might grow to the ceiling here!