prophyll /prōˈfil/ (botany)

A bracteole

• one-off
• one-offs
• one of these days
• one of those things
• one-one
• one-on-one
• one or two
• one over the eight
• one-parent families
• one-parent family
• one-person
• one-piece
• one-pieces
• oner
• onerous
• onerously
• onerousness
• onerousnesses
• oners
• ones
• one's best days
• one's better half
• one's cup of tea
• one self
• oneself