Three-syllable words:
* Alimony
* Animal
* Capable
* Character
* Commerce
* Deliver
* Disagree
* Emphasize
* Examine
* Hotel
* Interest
* Overlook
* Prepare
* Problem
* Remember
* Require
* Telephone
* Understand
* Violence
Four-syllable words:
* Adventure
* Attention
* Behavior
* Careful
* Celebration
* Competition
* Conversation
* Decision
* Discovery
* Information
* Mechanical
* National
* Opportunity
* Regulation
* Successful
* Technology
* Undertaking
Five-syllable words:
* Administration
* Appreciation
* Communication
* Compensation
* Demonstration
* Explanation
* Investigation
* Obligation
* Organization
* Representation
* Recognition
* Technological
This is just a small sample, and there are many more words with stress on the third syllable.
Tips for finding words with stress on the third syllable:
* Use a dictionary to look up the pronunciation.
* Listen to how native speakers pronounce the word.
* Pay attention to the rhythm of the sentence and the position of the word in the sentence.
* Consider the grammatical function of the word.
The best way to learn which syllable is stressed in a word is to practice!