アースデイ;アースデー

Earth Day (April 22nd) (noun (common) (futsuumeishi))

エープリル

April (noun (common) (futsuumeishi))

エイプリルフール;エープリルフール

April fool/April Fool's Day/April Fools' Day (noun (common) (futsuumeishi))

チェルノブイリ原子力発電所事故 [チェルノブイリげんしりょくはつでんしょじこ]

Chernobyl disaster (April, 1986)/Chernobyl nuclear power plant accident (noun (common) (futsuumeishi))

チェルノブイリ原発事故 [チェルノブイリげんぱつじこ]

Chernobyl disaster (April, 1986)/Chernobyl nuclear power plant accident (noun (common) (futsuumeishi))

沖縄戦 [おきなわせん]

Battle of Okinawa (April, 1945) (noun (common) (futsuumeishi))

花祭;花祭り [はなまつり]

Buddha's birthday festival (April 8th) (noun (common) (futsuumeishi))

去る;避る [さる]

(Godan verb with `ru' ending, intransitive verb)

(1) to leave/to go away

(2) to pass/to elapse

(3) to be distant/ (Godan verb with `ru' ending, transitive verb)

(4) to send away/to drive off/to divorce/ (suffix, Godan verb with `ru' ending)

(5) (after a -masu stem, esp. of a suru verb) ... completely/ (pre-noun adjectival (rentaishi))

(6) (去る only) (ant: 来る・きたる・2) last ... (e.g. "last April")

去んぬる [さんぬる]

last ... (e.g. "last April") (archaism) (pre-noun adjectival (rentaishi))

強飯 [ごうはん]

event in which someone is forced to eat a large quantity of rice (e.g. the April 2nd Shugendo ceremony at Nikko's Rinnouji temple) (noun (common) (futsuumeishi))