Passion and enthusiasm
Passion often suggests a strong, enduring feeling or commitment. Enthusiasm usually emphasizes eager interest or excitement. The words overlap, and neither guarantees skill, consistency, or success. Choose the one that best describes the feeling in the sentence.
Meaning and context
Someone may show enthusiasm for trying an activity without making it a long-term priority. Passion can describe a deeper personal investment, although writers also use it loosely. Context determines how strong the distinction is; it is not a precise psychological scale.
Examples and usage
She greeted the proposal with enthusiasm describes an eager response. His passion for restoring old buildings describes a strong interest or commitment. A person can show both: excitement about a new project and a lasting dedication to the field.

What to check
In a job application, concrete evidence is more persuasive than repeating either word. Explain what you have learned, made, practiced, or contributed. Passionate is the adjective, while passionately is an adverb; use the form that fits the grammar of the sentence.
Explore more: Word meanings and writing guides