High tide and Neap tide

High tide noun - The tide when the water is highest.

Neap tide and high tide are semantically related. In some cases you can replace phrase "Neap tide" with "High tide", this phrases are similar.

Neap tide noun - A less than average tide occurring at the first and third quarters of the moon.

High tide and neap tide are semantically related. You can use "High tide" instead a noun phrase "Neap tide".