Complex sentence: Squash is often colloquially known as "juice", especially when talking to young children because they may get confused by the term "squash", but this term is a misnomer; no squash is pure juice.
Split into simpler sentences: Squash is often colloquially known as "juice", especially when talking to young children because they might not understand the term "squash". But this term is a misnomer; no squash is pure juice.