Infinitives are the base form of a verb, usually preceded by "to". Examples:
* to run
* to eat
* to sleep
Nouns are words that name people, places, things, or ideas. Examples:
* dog
* city
* book
* love
While an infinitive can function as a noun (e.g., "To travel is my dream"), the infinitive itself does not end in a noun. It ends in the base form of the verb.