When we want to say Noun A and/with Noun B, we use 와/과, 하고 or (이)랑 between the two nouns.
N + 와/과
1. 와/과 is formal, and usually used in writing. If the noun ends in a consonant, we append 과 to the end of the first noun. If the noun ends in a vowel, we append 와 to the end of the first noun.
부모님과 쇼핑 갔어요. = I went shopping with my parents.
N + 하고
2. 하고 is used both in writing and in speaking, and can be used both formally and casually. 하고 is usually inserted in between the two nouns.
우유 하고 빵 주세요. = Milk and Bread please.
N + (이)랑
3. (이)랑 is the most casual and usually used in speaking. When the noun ends in a consonant, we append 이랑 to the end of the first noun. If the noun ends in a vowel, we append 랑 to the end of the first noun.
친구랑 영화를 봤어요. = I watched a movie with a friend.
N + 및
4. 및 is the most formal, and used in writing only. It is usually inserted in between the two nouns.
건강 및 피트니스. – Health and Fitness.
