The Internet is overflown with zentai, hentai, manga and other adult oriented stuff. But what about the motherland of these well-known terms? Time to search in Japanese!

zentai ゼンタイ
全身タイツ
full-body tights
hentai 変態
or
へんたい
abnormal, strange, weird, queer, pervert, kinky, almost a cursing word in Japanese. Incorrectly used in the rest of the world for adult manga
kigurumi 着ぐるみ costumed animal characters
seinen 成年 adult
gazō 画像 image, picture, portrait
manga 漫画 cartoon, comics
adult manga 成人漫画 erotic cartoons
18+ 18禁 prohibited to those not yet 18 years old
ecchi or ethci エッチ
えっち
(1st letter of Hentai) soft erotica, naughty
shibari 縛り
しばり
tying, binding with rope
shibaru 縛る
しばる
to tie, to bind with rope
hojojutsu 捕縄術 is the traditional Japanese martial art of restraining a person using cord or rope.
nawajutsu 縄術 same as above
houhou 方法
ほうほう
a method, a way, a system
kata
かた
a method
shibari-kata 縛り方
しばりかた
methods of tying, binding with rope
ushiro-te-shibari 後ろ手縛り tying hands behind the back
nawa
なわ
a rope
nawa-shi 縄師 a rope master
nawa shibari 縄縛り “rope-tying with rope”
incorrect term invented by non-japanese
kinbaku 緊縛 bondage
jibaku 自縛 self-bondage
Serufu-bondeji セルフボンデージ Japanese transliteration of “self-bondage”
簡易自縛 simple self-bondage
jibaku-houhou 自縛方法 self-bondage methods
kikkou 亀甲 turtle shell
kikkou-shibari 亀甲縛り the binding in a form of a turtle shell
karada
からだ
The body. The term is incorrectly used instead of kikkou-shibari
kanchou 浣腸
かんちょう

rinsing of colons or enema

Pantīsutokkingu パンティーストッキング pantyhose
Taitsu タイツ tights
mizugi 水着 swimsuit
ratekkusu ラテックス latex
gomu
rabā
ゴム
ラバー
rubber
rabā mizugi ラバー水着 rubber swimsuit
masuku マスク mask
tebukuro 手袋 glove(s)
niku benki 肉便器 human toilet (literally: urinal meat)
joshikō-sei 女子高生 schoolgirl