Acetic acid and Carboxylic acid

Acetic acid noun - A colorless pungent liquid widely used in manufacturing plastics and pharmaceuticals.

Carboxylic acid and acetic acid are semantically related. In some cases you can use "Carboxylic acid" instead a noun phrase "Acetic acid".

Carboxylic acid noun - An organic acid characterized by one or more carboxyl groups.

Acetic acid and carboxylic acid are semantically related. Sometimes you can replace phrase "Acetic acid" with "Carboxylic acid", this phrases are similar.