contra-tenor /kon-trə-tenˈər/ same as countertenor (see under counter-).

• oleo
• oleograph
• oleographic
• oleographies
• oleographs
• oleography
• oleo leg
• oleomargarine
• oleomargarines
• oleophilic
• oleoresin
• oleoresinous
• oleoresins
• oleos
• oleraceous
• olestra
• oleum
• O level
• O levels
• olfact
• olfacted
• olfactible
• olfacting
• olfaction
• olfactions