"중독 and 탐닉" 중독: 1) poisoning. 납 중독(lead poisoning) 2) pathological addiction on drugs or other things. 알코올 중독(alcoholism). 탐닉: excessive indulgence of any kind (more of a life style). 도박에 탐닉하다. Examples: - 내 친구 하나는 도박에 중독됐어: A friend of mine got addicted to gambling. - 그 사람은 일 중독이야 (He has become an workaholic). - 내 친구는 도박에 탐닉한다: My friend is indulging himself in gambling. - 학생들이 온라인 게임에 탐닉한다: Students indulge in online games. * XX 중독자 (XX-addict) is commonly used; XX 탐닉자 is more rare. The examples shows that 중독 is used as 중독되다 (be addicted) and 중독이야 (is an addiction) whereas 탐닉 is mostly used as 탐닉하다 (indulge in). This shows that 중독 emphasizes the person doesn't have self control anymore whereas with 탐닉, one does have it but just chooses to indulge in a vice. 중독 is also more widely used than 탐닉.

탐닉 is more closer to 'pursue', and it's kind of emotion or feeling of an addict. 중독 is more closer to a state, condition, situation of an addict.