Percipient and Somebody

Percipient noun - A person who becomes aware (of things or events) through the senses.

Somebody and percipient are semantically related. In some cases you can use "Somebody" instead a noun "Percipient".

Somebody noun - A person who is widely known and usually much talked about.

Percipient and somebody are semantically related. Sometimes you can replace term "Percipient" with "Somebody", this nouns are similar.