Here are some possibilities you might be thinking of:
* Acronyms: Words formed from the first letters of a series of words (e.g., NASA, NATO).
* Initialisms: Similar to acronyms, but the letters are pronounced individually (e.g., FBI, USA).
* Homonyms: Words that sound the same but have different meanings and spellings (e.g., "there," "their," and "they're").
* Synonyms: Words that have similar meanings (e.g., "happy" and "joyful").
Could you provide more context about what you meant by "nomonyms"? I might be able to help you better understand what you're looking for.