Similar words
bobina
carretel is more about a small spool or bobbin, like for thread; bobina is more general, like a film reel or a wire reel — both mean "reel."
Similar in other languages
Spanish
bobina
bobina is the Spanish word for the same thing — both mean "reel."
Spanish
carrete
carrete is the Spanish word for the same thing — both mean "reel."
Practice
1 What does carretel mean?
reel
2 Fill the gap: Um ___ de linha.
Full sentence: Um carretel de linha. (A reel of thread.)
3 Which fingerprint chart matches carretel?
carretel: neutral register, academic frequency, general domain, neutral connotation.