semiannually

adv 0.912

biennially

adv 0.904

semi-annually

adv 0.894

bimonthly

adv 0.874

half-yearly

adv 0.827

biweekly

adv 0.812

semimonthly

adv 0.810

semi-weekly

adv 0.742

fortnightly

adv 0.740

twice-weekly

adv 0.689

annually

adv 0.681

quarterly

adv 0.669

triennially

adv 0.652

periodically

adv 0.638

yearly

adv 0.633

every second

adv 0.606

monthly

adv 0.606

seasonally

adv 0.604

bilaterally

adv 0.597

twice

adv 0.594

half-hourly

adv 0.588

binomially

adv 0.588

bis

adv 0.581

twofold

adv 0.580

bisexually

adv 0.576

every so often

adv 0.571

intermittently

adv 0.568

alternately

adv 0.567

cyclically

adv 0.566

biaxially

adv 0.566

doubly

adv 0.564

occasionally

adv 0.559

bimanually

adv 0.559

weekly

adv 0.559

half-time

adv 0.558

once in a while

adv 0.547

hourly

adv 0.544

every once in a while

adv 0.544

half and half

adv 0.544

two by two

adv 0.537

double

adv 0.533

regularly

adv 0.531

diurnally

adv 0.530

binaurally

adv 0.529

intermediately

adv 0.529

infrequently

adv 0.528

per mensem

adv 0.528

bidirectionally

adv 0.526

bilingually

adv 0.524

episodically

adv 0.523

now and then

adv 0.520

sixthly

adv 0.516

sporadically

adv 0.515

halfway

adv 0.514

double-handed

adv 0.512

daily

adv 0.511

recurrently

adv 0.509

half

adv 0.509

unfrequently

adv 0.509

once in a blue moon

adv 0.507

irregularly

adv 0.506

two-handed

adv 0.503

continuously

adv 0.502

dyadically

adv 0.502