The worksheets you can find here.

From: http://myenglishgrammar.com/
SingularPluralSingularPlural
bamboobamboosratioratios
casinocasinosscenarioscenarios
commandocommandossilosilos
discodiscosshampooshampoos
duoduossolosolos
dynamodynamosstereostereos
ghettoghettosstudiostudios
kangarookangaroostattootattoos
kilokilostriotrios
photophotosvideovideos
pianopianoszerozeros
radioradioszoozoos
 
SingularPluralSingularPlural
addressaddressesfishfishes
batchbatchesinchinches
beachbeachesitchitches
bossbosseskisskisses
boxboxeslenslenses
branchbrancheslunchlunches
brushbrushesmatchmatches
busbusesminusminuses
buzzbuzzespatchpatches
catchcatchespeachpeaches
churchchurchespluspluses
classclassesprefixprefixes
clutchclutchesprospectusprospectuses
coachcoachesquizquizzes
complexcomplexessixsixes
crosscrossesslashslashes
dishdishesspeechspeeches
dressdressessuffixsuffixes
eyelasheyelashestaxtaxes
flashflashesthrushthrushes
foxfoxesvirusviruses
gasgaseswatchwatches
glassglasseswishwishes