formaldehyde /för-malˈdi-hīd/

A formic aldehyde, formalin

• ottava rima
• ottavas
• ottavino
• ottavinos
• otter
• otter-board
• ottered
• otter hound
• otter hounds
• otter-hunting
• ottering
• otters
• otter shell
• otter shells
• otter shrew
• otter shrews
• otter-trawl
• otter-trawling
• otter-trawls
• otto
• Ottoman
• Ottomans
• Ottomite
• ottos
• ottrelite