There is a total of 914 clues beginning with oi
- Oil for the lamps of Roma
- Oil from beef suet
- Oil from flax
- Oil from flower petals
- Oil from flowers
- Oil from orange flowers
- Oil from orange flowers
- Oil from orange trees
- Oil from petals
- Oil from resin
- Oil from rose petals
- Oil from rose petals
- Oil from the bitter orange
- Oil futures?
- Oil giant
- Oil giant acquired by BP
- Oil giant Amerada __
- Oil giant based in Memphis
- Oil giant of yore
- Oil giant that built what is now Chicago's Aon Center
- Oil giant that's part of the Tesoro Corporation
- Oil giant with HQ in Vienna
- Oil giant, on the NYSE
- Oil gp
- Oil gp headquartered in Vienna
- Oil gp since 1960
- Oil gp that includes 57-Down
- Oil gp that includes Iraq
- Oil gp with 12 member nations
- Oil group
- Oil grp
- Oil grp formed in 1960
- Oil grp founded in Baghdad in 1960
- Oil grp since 1960
- Oil high in monounsaturated fatty acids
- Oil holder
- Oil holder, maybe
- Oil holder, perhaps
- Oil holder?
- Oil holders
- Oil in a can
- Oil in Caesar salad
- Oil in Earl Grey tea is announced?
- Oil in liqueurs
- Oil in old Rome
- Oil in paints
- Oil industry city in N Y
- Oil industry honcho
- Oil industry leaders
- Oil industry magnate
- Oil industry prefix
- Oil industry tie?
- Oil industry, in Canada
- Oil installation
- Oil island
- Oil island in Caribbean
- Oil island near Curaçao, shelled 1942
- Oil Island off Venezuela
- Oil jar
- Oil job
- Oil job, informally
- Oil lamp feature
- Oil lamp need
- Oil lamp part
- Oil lamp's reservoir
- Oil land
- Oil leak blemishes
- Oil leakage
- Oil leaks
- Oil letters
- Oil low in erucic acid
- Oil machinery
- Oil magnate
- Oil magnate and former owner of the New York Jets
- Oil magnate Halliburton
- Oil magnate Hess
- Oil magnate J Paul
- Oil magnate J Paul ___
- Oil magnate John Paul
- Oil magnate Leon who once owned the New York Jets
- Oil man
- Oil man of sorts
- Oil man?
- Oil Market Report producer
- Oil meas
- Oil measure
- Oil measure: Abbr
- Oil men?
- Oil metaphor
- Oil ministers' grp
- Oil ministers' org
- Oil mishap
- Oil moguls' org
- Oil money?
- Oil name
- Oil name from long ago
- Oil name on a very small truck
- Oil name on some toy trucks
- Oil name, once
- Oil nation's org