| informal(adjective, calm, clear, open, smooth) |
| comrade(noun, associate, companion, friend, contemporary) |
| free(adjective, close, open, direct, simple) |
| plain(adjective, dull, open, free, simple) |
| mate(noun, love, associate, intimate, companion) |
| cordial(adjective, good, close, group, easy) |
| bro(noun, buddy, pal, chum, crony) |
| confidant(noun, love, associate, intimate, companion) |
| general(adjective, simple, group, reasonable, moderate) |
| natural(adjective, calm, open, free, smooth) |
| sociable(adjective, calm, good, close, open) |
| unceremonious(adjective, simple, easy, friendly, plain) |
| associate(noun, companion, friend, contemporary, acquaintance) |
| thick(adjective, good, close, love, easy) |
| confidential(adjective, close, easy, friendly, warm) |
| conversant(adjective, knowledge, sensible, knowledgeable, competent) |
| dear(adjective, close, easy, friendly, warm) |
| chummy(adjective, good, close, love, easy) |
| easy(adjective, calm, close, clear, open) |
| simple(adjective, plain, informal, relaxed, common) |