Ha and Haha

Ha noun - (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day.

Haha and ha are semantically related. In some cases you can replace term "Haha" with "Ha", this nouns are similar.

Ha and haha are semantically related. You can use "Ha" instead the word "Haha" as a noun or a verb.