head (part of the body) / head (leader) / header / a bright spark, a quick study

tête-à-tête, head-to-head

Misspelling of tête-à-tête.

(of two people or objects) head to foot, top to tail, head-to-tail; with the head of one being placed next to the feet of the other, heads and thraws; (of one object) with a head at both ends

(philately) a pair of tête-bêche stamps

ahead; in the lead

header, heading, letterhead / header

brainteaser, puzzle / headache, problem / warclub

headrest (part of a seat)

(transitive with à) to stand up to, to express objection