| conceal(verb, cover, obscure, confuse, hide) |
| foul(hurt, dirty, corrupt, stain, muddy) |
| mask(verb, cover, obscure, confuse, hide) |
| mass(noun, body, press, group, big) |
| mob(noun, press, group, big, mass) |
| nimbus |
| overcloud(verb, cover, obscure, confuse, hide) |
| puzzle(verb, upset, trouble, obscure, confuse) |
| ruck(noun, set, meet, group, big) |
| scores(noun, set, meet, press, group) |
| scud(noun, verb, speed, mass, sweep) |
| stain(noun, verb, attack, hurt, disregard) |
| billow(noun, nature, swell, mass, obscurity) |
| block(verb, cover, confuse, hide, conceal) |
| blotch |
| brood(noun, verb, blinded, sulk, multitude) |
| cloud up(verb, expression, cover, obscure, protect) |
| cumulus |
| curtain(noun, ambush) |
| distract(verb, upset, trouble, obscure, confuse) |