Sometimes the meaning of a word can be guessed from what you already knew, or from the context. That's a generally sound advice to new learners of any languages. Here're some English words that might be picked up through that kind of expedite learning:
Irredentist : Dentist specialized in whitening teeth
Alacrity : Quick breast feeding
Diarrhea : Exotic flower growing out of muck
Eager : Keen, earnest, eagle-like
Emoji : Graphic symbol representing emotion
Bikini : 2-piece garment
Suffrage : Suffering of the underclass
Epistle : Wife of apostle
Conundrum : Protection against lewd priests
Histrionic : Of loud, boasty historian
Schism : Last stage of mental illness
Fathom : Extraordinary release of gas
Flabbergasted : Of stomach that overflows belt buckle
Son-de-la-bitch : Fancy Vietnamse cuisine
Howling : Southern style greeting
Fukushima : Spoiled sushi; any instance of FUBAR that happens in Japan