改造【かいぞう】
remodeling, remodelling, reconstruction, conversion, alteration, renovation, modification, reshuffling (e.g. a cabinet), reorganization, restructuring, modding
改善【かいぜん】
betterment, improvement, kaizen (Japanese business philosophy of continuous improvement)
改めて【あらためて】
another time, again, over again, once again, anew, formally, especially, intentionally, deliberately
改装【かいそう】
remodelling, remodeling, reorganization, reorganisation
改める【あらためる】
to change, to alter, to revise, to replace, to reform, to correct, to mend, to improve, to examine, to check, to inspect, to do properly, to do formally
改良【かいりょう】
improvement, reform
改革【かいかく】
reform, reformation, reorganization
改正【かいせい】
revision, amendment, alteration
改築【かいちく】
structural alteration (of a building), reconstruction, rebuilding, remodelling, remodeling
改札【かいさつ】
examination of tickets, ticket gate, ticket barrier
改まる【あらたまる】
to be renewed, to change, to be improved, to be reformed, to be revised, to be corrected, to stand on ceremony, to be formal, to take a turn for the worse (of an illness), to take a serious turn
改訂版【かいていばん】
revised edition
改名【かいめい】
name change
改定【かいてい】
revision (of a rule, price, etc.), alteration, change
改憲【かいけん】
constitutional change, revising the constitution
改選【かいせん】
re-election
改修【かいしゅう】
repair, improvement
改新【かいしん】
reformation
更改【こうかい】
renewal, extension, revision
改編【かいへん】
reorganization, reorganisation
