drumhead

As a proper noun head

is , from residence near a hilltop or the head of a river, or a byname for someone with an odd-looking head.

As a noun drumhead is

.

As nouns the difference between drumhead and drum

is that drumhead is while drum is a percussive musical instrument spanned with a thin covering on at least one end for striking, forming an acoustic chamber, affecting what materials are used to make it.

As a verb drum is

to beat a drum.

As nouns the difference between tailback and drumhead

is that tailback is a line of motor vehicles caught up in traffic congestion; a traffic jam while drumhead is an alternative spelling of lang=en.