Ortografia, soletração, soletrar, spelling.
n.The act of one who spells; formation of words by letters; orthography. Of or pertaining to spelling
n.orthography generic term, writing system generic term
Vogais: ei
Consoantes: spllng
spilling, sapling, shovelling, sippling, spawling, splining, spoiling, spooling, suppling, shaveling.