clavier /klä-vērˈ or klavˈi-ər/

1. The keyboard of a musical instrument
2. A stringed keyboard instrument, esp the clavichord or the pianoforte

• onychiums
• onychocryptoses
• onychocryptosis
• onychomancies
• onychomancy
• onychophagies
• onychophagist
• onychophagists
• onychophagy
• Onychophora
• onychophoran
• onychophorans
• onymous
• on your bike
• on your mark
• on your marks
• onyx
• onyxes
• onyx marble
• onyx marbles
• o/o
• oo
• oo'
• oo-
• oobit