頂点【ちょうてん】
vertex, apex, top (e.g. of a mountain), summit, peak, top (of a profession, field, etc.), summit, peak (of popularity, a boom, etc.), height (e.g. of prosperity), apex, zenith, climax
山頂【さんちょう】
summit (of a mountain)
頂上【ちょうじょう】
top, summit, peak
絶頂【ぜっちょう】
top (of a mountain), summit, peak, height, zenith, climax, orgasm, climax
有頂天【うちょうてん】
ecstasy, highest heaven
頂戴【ちょうだい】
receiving, getting, accepting, being given, eating, drinking, having, please (give me; do for me)