And for all of them clearing up you can use 霽れる!
ぽんかん (= 椪柑)
デコポン
are oranges like 蜜柑 
not about デコピン
範疇、はんちゅう
Category
他力本願 たりきほんがん
relying on others, and also “salvation by faith in Amitabha” which is actually the primary meaning
南北戦争 なんぼくせんそう American civil war
I recently heard this in a podcast about Lincoln. It gets said a lot and is one of few words I’m picking up. I thought it was funny that it’s literally north south war.
Not so much most recent, but recent enough:
人参 - Human & Participate makes = Carrot.
why Japan. ¯\(°_o)/¯
no idea why it took me so long to come across the word:
試着 しちゃく trying on clothes
Because it wasn’t originally 参
That’s a simplification to a similar-looking kanji that most people know. That’s a common source of “why the heck does [something] + [something] = [something seemingly unrelated]
Originally it’s 人蔘
cool thanks for sharing. 
熊公八公 uncultured but well-intentioned person
… where on earth did this come from?
〔落語・講談などに出てくる「熊公・八公」の名で代表される〕無学ではあるが、善意の人たち（の一般的な名前）。
Maybe ～公 is like ～殿
Looking up a little further, 熊五郎、八五郎 – 落語の登場人物：八っつぁん、熊さんのエネルギーが「笑い」を巻き起こす！ - 落語はビジネスにも役立つ！「笑う力」を身につけたい
I remember hearing that learning Classical Chinese is very hard because all scribes make oblique references to previous works, and if you haven’t studied the centuries of classical work in the canon you can’t make sense of any of it. It’s basically like reddit.
I feel like the various 四字熟語 give us a glimpse into what it must fell like…
キリン - Giraffe, visited a zoo recently in Japan and saw this board, thought it was really cool!
It’s also the name of a beer which I thought was named after “Giraffe” but wikipedia says:
In Japanese, “Kirin” can refer to giraffes, or to Qilin (麒麟), the mythical hooved Chinese chimerical creatures in East Asian culture. Kirin Brewery is named after the latter.
信楽 Shigaraki - a former town in 滋賀県 Shiga prefecture. Now a part of 甲賀市 Kouka city
菱形 ひしがた rhombus
責務 せきむ duty; obligation
considering how many words for duty wanikani teaches, i’m shocked i haven’t seen this before.
おんぶする・負んぶする
射法八節 しゃほうはっせつ - the 8 弓道 fundamentals
木漏れ日 こもれび sunlight filtering through trees
I learned it from the title of a song by French metal band Alcest
乳首ーちくびーnipple. My GF taught me. I find it very funny. Sounds like a Chiikawa character