rook

noun 0.737

roosting

noun 0.632

heronry

noun 0.619

roach

noun 0.587

rockery

noun 0.582

roost

noun 0.581

roo

noun 0.564

eyrie

noun 0.553

rove

noun 0.552

aviary

noun 0.551

roanoke

noun 0.532

roguery

noun 0.530

flock

noun 0.528

rotten borough

noun 0.524

cockcrow

noun 0.517

hatchery

noun 0.516

roe

noun 0.514

rockpool

noun 0.513

rooster

noun 0.513

broody

noun 0.513

roc

noun 0.513

cockroach

noun 0.512

roving

noun 0.509

breeding-ground

noun 0.508

rocher

noun 0.507

rother

noun 0.507

roche

noun 0.505

ruche

noun 0.503

cockerel

noun 0.502

rochet

noun 0.502

brooder

noun 0.502

rog

noun 0.501

corvus

noun 0.501