automaton /ö-tomˈə-tən/

1. A machine that imitates the movement of a living creature, activated by a concealed mechanism such as clockwork
2. Such a machine as a toy, amusement or decoration
3. A living being regarded as without consciousness
4. A person who acts by routine, without intelligence or feeling

• onesie
• onesies
• one's last resting place
• one's native heath
• one's other half
• one's own
• one's own flesh and blood
• one's own man
• one's own woman
• one's self
• one-step
• one-stepped
• one-stepping
• one-steps
• one-stop
• one's true colours
• one-time
• one-to-one
• one-track
• one-trick pony
• one-two
• one-twos
• one-upmanship
• on every hand
• one-way