biannual

noun 0.834

semimonthly

noun 0.781

bimonthly

noun 0.730

semi-weekly

noun 0.722

semiweekly

noun 0.716

biennial

noun 0.716

biweekly

noun 0.695

biennium

noun 0.661

annual

noun 0.619

yearly

noun 0.605

fortnightly

noun 0.603

semester

noun 0.589

quarterly

noun 0.587

semi

noun 0.568

midyear

noun 0.566

midterm

noun 0.565

seasonal

noun 0.562

semidiameter

noun 0.559

monthly

noun 0.558

halving

noun 0.551

half-long

noun 0.549

quadrennial

noun 0.546

half

noun 0.543

half-time

noun 0.539

every second

noun 0.538

interim

noun 0.537

semis

noun 0.537

half pay

noun 0.537

midseason

noun 0.537

biennale

noun 0.536

annum

noun 0.536

bissextile

noun 0.534

semicircle

noun 0.534

periodical

noun 0.533

triweekly

noun 0.530

annuity

noun 0.530

semilunar

noun 0.523

first half

noun 0.520

triennial

noun 0.518

hourly

noun 0.517

halftime

noun 0.517

half-moon

noun 0.517

semidouble

noun 0.515

bigeminal

noun 0.514

intersession

noun 0.513

period doubling

noun 0.512

time and a half

noun 0.512

one and a half

noun 0.510

half past

noun 0.509

half-holiday

noun 0.509

semifinal

noun 0.509

sesquicentennial

noun 0.504

6mo

noun 0.504

half marathon

noun 0.504

sixty-second

noun 0.503

dual

noun 0.503

half dozen

noun 0.501