Carnival and Heyday

Carnival noun - A time or program of special events and entertainment in honor of something.

Heyday and carnival are semantically related. in outdoor celebration topic. In some cases you can use "Heyday" instead a noun "Carnival".

Heyday noun - A state or time of great activity, thriving, or achievement.

Carnival and heyday are semantically related. Sometimes you can replace term "Carnival" with "Heyday", this nouns are similar.