1. top (of a mountain), summit

nouns which may take the genitive case particle 'no' noun (common) (futsuumeishi)

2. peak, height, zenith, climax

noun (common) (futsuumeishi) nouns which may take the genitive case particle 'no'

3. orgasm, climax

noun or participle which takes the aux. verb suru noun (common) (futsuumeishi)