This contrast would be very unlikely to cause any problems for learners.
Interesting pairs include:
The mean density value is 2.4%. The number of semantic contrasts is 83, a loading of 52%.
alee allow B bough B's boughs B bow B's bows be bough be bow being bowing bead bowed beat bout beats bouts bee bough bees boughs bee bow bees bows beet bout beets bouts breeze brows breeze browse breezed browsed breezes browses breezing browsing C sow C's sows cease souse ceased soused ceases souses ceasing sousing cheese chows clean clown cleaned clowned cleaning clowning cleans clowns cleat clout cleats clouts creed crowd creeds crowds D dhow D's dhows dean down deans downs each ouch east oust eat out eater outer eating outing eats outs eel owl eels owls feel foul feeler fouler feeling fouling feels fouls feel fowl feeler fowler feelers fowlers feeling fowling feels fowls field fouled field fowled fiend found fiends founds fleet flout fleeting flouting fleets flouts free Frau grease grouse greased groused greases grouses greasing grousing he how heal howl healed howled healer howler healers howlers healing howling heals howls heel howl heeled howled heeling howling heels howls indeed endowed keel cowl keeling cowling keels cowls key cow keyed cowed keying cowing keys cows knee now lead loud leader louder lease louse lied lout lieder louder me mow mead mowed Meath mouth meed mowed mi mow neat knout Nice nous niece nous peach pouch peached pouched peaches pouches peaching pouching peat pout Pete pout plea plough pleas ploughs plead ploughed please ploughs quay cow quays cows re row read rowed reed rowed reedy rowdy reedier rowdier reediest rowdiest sea sow seas sows see sow sees sows seize sows sheet shout sheeted shouted sheeting shouting sheets shouts skeet scout skeets scouts ski scow skis scows skier scour skiers scours teasel tousle teasels tousles teat tout teats touts teen town teens towns teeny townee thee thou treat trout unweaned unwound V vow V's vows we wow weaned wound wee wow wees wows wheeze wows yield yowledGeographical: Outside English-speaking countries, most visitors are from Saudi Arabia, Ecuador, Jordan, Hong Kong, South Korea, Spain, Turkey, Germany, Hungary, Vietnam, Malaysia, Poland, Yemen, India and Syria. Average 14 visitors per month.
John Higgins, Shaftesbury, January 2011.