reemphases

releases

rennases

rephrases

replicases

repurchases

rereleases

rheobases

ribonucleases

saccharases

sassafrases

seedcases

showcases

slipcases

smearcases

smiercases

staircases

stases

steeplechases

stripteases

subbases

subleases

subphases

sucrases

suitcases

sulfatases

surbases

surceases

syngases

synthases

synthetases

taeniases

tarantases

tases

teargases

teases

telangiectases

telomerases

telophases

teniases

terrases

texases

thiaminases

thrombokinases

topoisomerases

transaminases

transcriptases

transferases

trichomonases

trichomoniases