It appears that there is no correct spelling for the word "largeheas". However, based on its pronunciation, we can assume that it is meant to be spelled as "largeheads". The word is pronounced as /lɑːrdʒhɛdz/ in IPA. The "a" in "large" is pronounced with an open front unrounded vowel sound, while the "e" in "heads" is pronounced with a short e sound. The "z" at the end of the word is pronounced as a voiced sibilant sound.