How to say “to write” in Hebrew?

The Hebrew word for “to write” is לכתוב (lichtov).
Used for writing letters, notes, or anything else.

Example:
אני אוהב לכתוב מכתבים
Translation: I love to write letters.

You might also hear לכתוב סיפור (lichtov sipur) — “to write a story”.