fiftieth

noun 0.782

golden jubilee

noun 0.717

fiftysomething

noun 0.681

five-hundredth

noun 0.672

fifty-first

noun 0.666

fifty-sixth

noun 0.637

fifty-fifty

noun 0.637

fifty-fourth

noun 0.617

fifty-eighth

noun 0.607

quincentenary

noun 0.602

fifty-ninth

noun 0.600

half

noun 0.593

50 cent

noun 0.592

centenary

noun 0.590

quarter-century

noun 0.588

sixtieth

noun 0.581

centennial

noun 0.578

hundred

noun 0.566

century

noun 0.565

half past

noun 0.562

quinquennial

noun 0.559

half-crown

noun 0.558

half dozen

noun 0.556

one and a half

noun 0.554

fifth

noun 0.547

sesquicentennial

noun 0.545

quinquennium

noun 0.545

bicentennial

noun 0.542

hundredth

noun 0.540

forty-ninth

noun 0.536

silver jubilee

noun 0.534

first half

noun 0.534

bicentenary

noun 0.534

sixty-fifth

noun 0.531

halving

noun 0.530

half foot

noun 0.521

half-long

noun 0.521

forty-fifth

noun 0.515

forty-eighth

noun 0.514

cinquecento

noun 0.508

fortieth

noun 0.507

centum

noun 0.507

decade

noun 0.505

sexagenarian

noun 0.504

number five

noun 0.503

half-time

noun 0.503

40s

noun 0.503

half pay

noun 0.502

eightieth

noun 0.502

time and a half

noun 0.501

fiver

noun 0.501

jubilee

noun 0.501