To Connect Similar Ideas - 랑, 와/과

This conjugation is also equivalent to ‘and’ or ‘and then’ in English.

1 - ~랑/이랑 (~rang/irang) – “and”
~랑 (~rang) means the same thing as 그리고 (geurigo).
랑 is usually attached to nouns that end with vowels.
~이랑 (~irang) is usually attached to nouns that end with consonants.

The difference is that this conjunction is attached after a noun stem, is strictly colloquial, and isn’t used in official documents.

2 - ~와/과 (~wa/gwa) – “and”
~와 (~wa) is usually attached to noun stems that end with vowels.
~과 (~gwa) is usually attached to nouns that end with consonants.