There is a total of 916 clues beginning with oi
- Oil-rich African country
- Oil-rich area
- Oil-rich bean
- Oil-rich Canadian province
- Oil-rich Caribbean isle
- Oil-rich country
- Oil-rich country
- Oil-rich emirate
- Oil-rich fed
- Oil-rich gp
- Oil-rich Indians
- Oil-rich land
- Oil-rich land ruled by a sultan
- Oil-rich land: Abbr
- Oil-rich mineral
- Oil-rich nat
- Oil-rich nation
- Oil-rich nation invaded in 1990
- Oil-rich nation that's not in OPEC
- Oil-rich nation, for short
- Oil-rich non-OPEC nation
- Oil-rich peninsula
- Oil-rich Persian Gulf land
- Oil-rich place
- Oil-rich province
- Oil-rich province of Iraq
- Oil-rich region
- Oil-rich ruler
- Oil-rich ruler, perhaps
- Oil-rich South American basin
- Oil-rich spread
- Oil-rich state
- Oil-rich state, for short
- Oil-rich sultanate
- Oil-rich _____ Dhabi
- Oil-rig firefighter
- Oil-rig firefighter Red et al
- Oil-selling cartel (Abbr)
- Oil-soaked garage accessory
- Oil-spill formation
- Oil-treatment letters
- Oil-well capper Red
- Oil-well capper Red ___
- Oil-well capper Red _____
- Oil-well equipment
- Oil-well firefighter
- Oil-well firefighter "Red"
- Oil-well firefighter Red
- Oil-yielding African tree
- Oil-yielding Asian tree
- Oil-yielding Central American trees
- Oil-yielding East Indian tree
- Oil-yielding fruit: Var
- Oil-yielding herb
- Oil-yielding herbs
- Oil-yielding mineral
- Oil-yielding Philippine tree
- Oil-yielding rock
- Oil-yielding seed
- Oil-yielding seeds
- Oil-yielding seeds
- Oil-yielding shrubs
- Oil-yielding tree
- Oil-yielding tree of Brazil
- Oil-yielding tree of CA
- Oil-yielding tree of Cen America
- Oil-yielding tree
- Oil-yielding tropical plant
- Oil-yielding tropical tree
- Oil
- Oil: Abbr
- Oil: Comb form
- Oil: Comb form
- Oil: Fr
- Oil: French
- Oil: Latin
- Oil: pref
- Oil: Prefix
- Oil: Prefix
- Oil: Suffix
- Oilcan letters
- Oilcan parts
- Oilcan sizes
- Oiled
- Oiled (down)
- Oiled, in a manner
- Oiled, in a way
- Oiler
- Oiler accidents
- Oiler channel
- Oiler locale
- Oiler or liner
- Oiler successor
- Oiler's equipment
- Oiler's target
- Oiler, for one
- Oiler, today
- Oilers
- Oilers' and Steelers' gp
- Oilers' drillings