Here are a few possibilities:
* Synonyms: These are words with very similar meanings, but often have slightly different shades of meaning or are used in different contexts.
* Example: Happy and Joyful.
* Different forms of the same word: These are variations of a word that have the same meaning but are used in different grammatical contexts.
* Example: Good (adjective) and Well (adverb)
* Slang/colloquialisms: These words may be used in informal language to mean the same thing as a more formal word.
* Example: Awesome and Excellent.
Do you have a specific context in mind? Knowing what kind of words you're looking for will help me give you a more accurate answer!