Calliope /kə-līˈə-pi or kaˈli-ōp/

1. The Muse of epic poetry (Gr myth)
2. (without cap) a keyboard musical instrument similar to an organ, with a set of whistles operated by steam or compressed air

• insooth
• in sort
• insouciance
• insouciances
• insouciant
• insouciantly
• insoul
• insouled
• insouling
• insoulment
• insoulments
• insouls
• in-source
• in-sourced
• in-sources
• in-sourcing
• in spades
• inspan
• inspanned
• inspanning
• inspans
• in spate
• in special
• in specie
• inspect