[ほうかい, houkai] (n, vs) (1) (See 崩れる) collapse; crumbling; breaking down; caving in; (2) (See α崩壊) decay (physics); (P) #3118
[くずれ, kuzure] (n) crumbling; collapse; ruin; (P) #11187
[とうかい, toukai] (n, vs) destruction; collapse; crumbling #16907
[horohoro] (adv) (1) (on-mim) by ones and twos; (2) (See はらはら, ぼろぼろ) tears or flower petals falling quietly; (3) gurgling bird sound; (4) falling apart; crumbling; melting (in one's mouth)
[bosoboso] (adj-na, adv, n, vs, adv-to) (1) (on-mim) dry and crumbling; (2) whispering; subdued; (3) tasteless; flavorless; flavourless
[boroi ; boro i] (adj-i) (1) profitable; (2) worn-out; crumbling
[borocchii ; boro cchii] (adj-i) (sl) (See ぼろい) worn-out; crumbling
[boroboro (P); boroboro] (adj-na, adv, n, vs, adj-no) (1) (on-mim) worn-out; torn; crumbling; tattered; (2) tears or grain of rice falling; (P)
[かいほう, kaihou] (n, vs) (arch) (See 崩壊・1) collapse; crumbling; breaking down; caving in
[きゅうかい, kyuukai] (n, vs) rotting and crumbling
[さいへん, saihen] (n) crumbling
[しょうへん, shouhen] (n) crumbling; speck