formaldehyde /för-malˈdi-hīd/

A formic aldehyde, formalin

• undersell
• underseller
• undersellers
• underselling
• undersells
• underselves
• undersense
• undersenses
• under separate cover
• underserved
• underset
• undersets
• undersetting
• undersexed
• undershapen
• under-shepherd
• under-shepherds
• under-sheriff
• undersheriff
• undersheriffs
• undershirt
• undershirts
• undershoot
• undershooting
• undershoots