riposte /ri-postˈ or -pōstˈ/

1. A quick return thrust after a parry (fencing)
2. A repartee

To answer with a riposte

• on time
• on tiptoe
• on to
• onto
• on toast
• ontogeneses
• ontogenesis
• ontogenetic
• ontogenetically
• ontogenetics
• ontogenic
• ontogenically
• ontogenies
• ontogeny
• ontologic
• ontological
• ontologically
• ontologies
• ontologist
• ontologists
• ontology
• on top of
• on top of the world
• ratched
• ratches