noun / suffix noun:

• nature (of a person or thing)
• that which does not change according to external influences - Buddhism term

noun:

• chocolate given to a boy on Valentine's day out of genuine sentiment

noun:

• waiting (e.g. at the stage door) for performers or celebrities to arrive - slang ➜ 出待ち

noun:

• Australian marbled catshark (Atelomycterus macleayi, species endemic to Australia)

noun:

• King's goanna (Varanus kingorum, species of small carnivorous monitor lizard native to the Australia)

noun:

• Monrovia doctorfish (Acanthurus monroviae, species of Eastern Atlantic tang found from southern Morocco to Angola)

noun:

• ninespine batfish (Zabidius novemaculeatus, species of Indo-Pacific spadefish found from Indonesia to northwestern Australia)

noun:

• Luvaridae; family containing one extant species of perciform fish similar to a surgeonfish

noun:

• place where one spends the night to avoid travelling in an unlucky direction - the へ is pronounced as え in this word - archaism ➜ 方違え・方塞がり

noun:

• to stamp on the ground rhythmically while singing ➜ 鼓腹撃壌
• ancient Chinese game of wooden clog throwing

noun:

• room in Edo castle where the shogun's council of elders attended to governmental affairs

noun:

• branch-twined hedge around a field to keep out wild boars and deer
• abatis

noun:

• Fuyutopia (government program to help create a winter living environment in northern Hokkaido)

noun:

• pipe buried under a road with nozzles that spray liquid to melt snow

noun:

• koto erected in one's yard as decoration during the Festival to Plead for Skills - archaism ➜ 乞巧奠

noun:

• using early morning time (before going to work) for some other activity (e.g. study)

noun:

• use of blue eyebrow pencil to indicate a character has shaved his cheeks (in kabuki)

noun:

• Mozambique tilapia (tilapiine cichlid fish native to southern Africa, Oreochromis mossambicus) ➜ モザンビークティラピア

noun:

• homemade bento containing food decorated to look like cute characters (from anime, etc.) ➜ キャラ・弁【べん】

noun:

• office system where employees are free to change desk ➜ フリーアドレス

expression:

• talking so fast that even a four-horse coach cannot catch up to the words

noun:

• person who is employed but has nothing to do at their company ➜ ＮＥＥＴ

noun:

• game similar to rock, paper, scissors, with the hand gestures fox, hunter and village headman

noun:

• paper-covered frame put over a hearth or brazier to make the fire last longer

noun:

• journal club; gathering to read and discuss papers, articles, books, etc. ➜ 輪講