Coif,¶ no rhyme.
OIGN.
Coign,|| rhymes OIN.
OIL.
Oil, boil, coil, moil, soil, spoil, toil, despoil, embroil recoil, turmoil, disembroil.
OIN.
Coin, join, subjoin, groin, loin, adjoin, conjoin, disjoin, enjoin, foin,† proin,† purloin, rejoin.
OINT.
Oint, joint, point, disjoint, anoint, appoint, aroint,† disappoint, counterpoint.¶
OIR.