機構【きこう】
mechanism, machinery, system, structure, organization, framework
構造【こうぞう】
structure, construction, makeup, framework, organization, pattern
構想【こうそう】
plan, plot, idea, conception, vision, scheme
構成【こうせい】
composition, construction, formation, makeup, structure, organization, organisation
結構【けっこう】
splendid, nice, wonderful, delightful, lovely, excellent, fine, sufficient, satisfactory, enough, fine, all right, OK, not needing (any more of something), (already) having enough, fine (as in "I'm fine"), no, thank you, rather, quite, fairly, pretty, surprisingly, quite a bit, fairly well, structure, construction, framework, architecture
構う【かまう】
to mind, to care about, to be concerned about, to have a regard for, to be an issue, to matter, to create inconvenience, to keep company, to care for, to look after, to entertain, to pay attention to, to spend time with, to interfere with, to meddle in, to tease, to banish, to prohibit
心構え【こころがまえ】
preparedness, readiness, mental attitude, frame of mind
虚構【きょこう】
fiction, fabrication, concoction
待ち構える【まちかまえる】
to lie in wait (for), to be on the watch (for), to wait (for), to watch (for)
構いません【かまいません】
no problem, it doesn't matter