一体

いったい

...the heck (e.g. "what the heck?"),...in the world (e.g. "why in the world?"),...on earth (e.g. "who on earth?")

一体全体

いったいぜんたい

... the heck (e.g. "what the heck?"),... in the world (e.g. "why in the world?"),... on earth (e.g. "who on earth?")

弱体化

じゃくたいか

weakening

実体化

じったいか

(specific to object language classes) instantiation

体系化

たいけいか

systematization, systematisation, organization, organisation

具体化

ぐたいか

embodiment, materialization, actualization, realization, taking form, taking shape

客体化

きゃくたいか

objectification

液体化

えきたいか

liquefaction; fluidification

女体化

にょたいか

male-to-female gender swap (in fan art and fan fiction)

男体化

なんたいか

female-to-male gender swap (in fan art and fan fiction)

一本化

いっぽんか

unification, centralization, integration, drawing things together, working out a common policy

一元化

いちげんか

unification, centralization, centralisation

一般化

いっぱんか

generalization, generalisation, popularization, popularisation

画一化

かくいつか

standardization, standardisation

一酸化

いっさんか

monoxide

単一化

たんいつか

simplification, unification

均一化

きんいつか

homogenization, homogenisation

統一化

とういつか

unification

劃一化

かくいつか

standardization, standardisation