octateuch octateuchs octatonic octatonic scale octatonic scales octatriacontane octatriacontanoic octatriacontanoic acid octatriene octatrienes
| octaval octavalent octavate octavated octavates octavating (current term) octavation octavations octave octaves
| octavo octavofinal octavos octavus octaword octene octenes octennial octennially octenyl
|