paronym

/ˈpɛrəˌnɪm/
noun
  1. A word that is derived from the same root as another word, or is related in form and meaning, such as 'wise' and 'wisdom'.
    • In English, 'joy' and 'enjoy' are paronyms because they share the same origin.
    • The dictionary listed 'photograph' and 'photography' as paronyms.
    • Learning paronyms can help you expand your vocabulary more quickly.
Synonyms
What does "paronym" mean? | whatsthatwordmean | whatsthatwordmean