Similar words
Serviette
Easy to mix up as "a cloth," but not interchangeable: a Handtuch dries your body, a Serviette (loanword from French) wipes your mouth at the table.
Similar in other languages
French
serviette
serviette is the French word for the same thing — both mean "towel."
Portuguese
toalha
toalha is the Portuguese word for the same thing — both mean "towel."
Practice
1 What does Handtuch mean?
towel
2 Fill the gap: Das ___ hängt im Bad.
Full sentence: Das Handtuch hängt im Bad. (The towel is hanging in the bathroom.)
3 Which fingerprint chart matches Handtuch?
Handtuch: neutral register, core frequency, general domain, neutral connotation.