Similar words and nuance

Words with a similar meaning in the English dictionary, but explaining the exact difference.

Words	General Meaning	Difference	Examples
춥다 / 차갑다	To be cold
덥다 / 뜨겁다	To be cold
먼저 / 처음 / 일단
뽀뽀 / 키스	Kiss	키스 is more of a sexual kind of kiss.
실망하다 / 섭섭하다		실망하다 is stronger than 섭섭하다
알, 달걀, 계란	Egg
달다, 달콤하다	To be sweet
맵다, 매콤하다	To be spicy
선생, 스승	Teacher
알아들다, 이해하다	To understand
일어나다, 일어서다	To stand up
성질, 성깔	Temper	성깔 is stronger
거짓말, 구라	A lie	구라 can be more offensive, especially to people you aren't close with or of higher status (than the speaker).