The plural is heads.
Head lice is actually already the plural form. The singular is head louse.
The plural of louse is lice so the plural of headlouse is headlice.
The plural is heads of state
The plural of disc jockey is disc jockeys. As in "the disc jockeys went head-to-head in the challenge".
If you're referring to more than one head for a single school, the plural is 'heads of school'. If you're referring to one person head for more than one school, the plural is 'head of schools'. If you're referring to more than one person as head of more than one school, the plural is 'heads of schools'.
Singular: He bangs on your head.Plural: They bang on your head.
Brains is both a plural usage of the word, and slang terminology to imply hitting someone about the head.
Hairs. As in, the hairs on my head are aqua colored.
The plural of carnifex is carnifex. like sheep and sheep. "There is a flock of sheep on the hillside" "There are some carnifex coming to rip your head off"
Yes it is. Plural: Heads of lettuce Singular: Head of lettuce
You should write "Their hats on their heads" because it matches the plural form of "hats" with the plural form of "heads".
Off the top of their headS because they are plural. Multiple people have more than one head...