Minimal pairs · tʃ · ʃ
chip or ship
Ch starts with a tiny t-stop; sh flows from the first instant. Spanish has ch but not sh, so ships become chips.
Press play, then tap the word you heard.
🍎 How to teach the mouth
Sh is the librarian's sound — it can last as long as your breath. Ch cannot be stretched at all. Have a 'longest shhh' contest; nobody wins a 'longest chhh'.