tercentenary

noun 0.859

quadricentennial

noun 0.694

bicentennial

noun 0.688

centennial

noun 0.670

sesquicentennial

noun 0.656

centenary

noun 0.647

bicentenary

noun 0.645

triennial

noun 0.623

trecento

noun 0.593

centenarian

noun 0.588

century

noun 0.574

thirtieth

noun 0.568

hundredth

noun 0.544

quincentenary

noun 0.542

trifecta

noun 0.538

triple

noun 0.522

trimeter

noun 0.518

tricolon

noun 0.514

triplicate

noun 0.509

centum

noun 0.508

turn of the century

noun 0.508

trillionth

noun 0.502

trimester

noun 0.502