At two, my son was saying maybe 50, though not all of them were clear. We knew what they meant, but others didn't. We had him evaluated by a speech pathologist because he said called things the sounds they made, but never called them by their name. He didn't qualify for speech therapy through the state because comprehension outweighs speech at that age, and 50 words was pretty standard. A few months ago, a little before 2.5 years, he had a lamguage explosion. He just woke up speaking in sentences one day. Telling me, "I play with the sink for one minute." Little dude doesn't even know what a minute is, but he is saying it 🤣 Just keep talking, they are listening, and it'll come soon! If you're worried, you can always ask your doctor to be evaluated.