실제로: in reality Focus on a fact, reality and truth What were his actual words? 그가 실제로 뭐라고 했니? The police are trying to ascertain what really happened. 경찰은 실제로 어떤 일이 있었는지 알아내기 위해 애를 쓰고 있다. Tell me what really happened. 실제로 일어난 일을 말해 봐 실제로요? - 네. In real life? - Yes. 실제로 본 적 있어? Have you met him?

사실상: 실제에 있어서. Actually to all intents and purpose in every respect 사실상 emphasizes more the reality. Hospital beds were scarce and medicines were practically non-existent. 병원 병상은 부족했고 의약품은 사실상 존재하지도 않았다. (The theatre was opened. But) The theatre was practically empty. 그 극장은 사실상 텅 비어 있었다 사실상 주인공이었어요. He was the main character. 사실상 이 문제는 모를 수도 없고. The answer to this question was too obvious. (We have two days 이틀 남았는데 but) 사실상 하루 남은 거나 마찬가지죠. Well, actually, it's more like a day.

사실상 it’s more like ‘actually’. When you explained something and it turned out differently or sth like that. -실은 : is used in everyday conversation It’s a word from 사실은. It can be omitted like 사실 or 실은 But 실은 sounds like an old people I heard more 사실 bla bla -실제로: After 실제로 comes a sentence with verb -실로: 실로 is same like 실제로 grammatically, but it sounds like an old language for the theater. 실로 is not similar with 실은 in using in a sentence. -실제: After 실제 comes a noun -사실상: is grammatically same like 실제로 in using. But it means a bit different 사실상: 실제에 있어서. Actually to all intents and purpose in every respect 실제로: 거짓이나 상상이 아니고 현실적으로. 정말로. In reality

실제로 in real , in fact 실은 less formal, casual form 실제 noun, it comes by itself or with another noun to explain that it happened real. For example 이론과 실제 (theory and reality) or 실제 상황 실로 similar with 실은 but it could be used in the newspaper, not commonly used when you talk 사실상 it’s more like ‘actually’. When you explained something and it turned out differently or sth like that.