pentachord /penˈtə-körd/ (music)

1. A musical instrument with five strings
2. A diatonic series of five notes

• illuvia
• illuvial
• illuviation
• illuviations
• illuvium
• illuviums
• ill-versed
• ill-will
• ill-wisher
• ill-wishers
• ill-wresting
• illy
• Illyrian
• illywhacker
• illywhackers
• ilmenite
• ilmenites
• ILO
• il penseroso
• ILS
• i.m.
• im-
• I'm
• IM
• IMA