Similar words
Handtuch
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
Spanish
servilleta
servilleta is the Spanish word for the same thing — both mean "napkin."
Portuguese
guardanapo
guardanapo is the Portuguese word for the same thing — both mean "napkin."
Practice
1 What does Serviette mean?
napkin
2 Fill the gap: Er wischte sich den Mund mit der ___ ab.
Full sentence: Er wischte sich den Mund mit der Serviette ab. (He wiped his mouth with the napkin.)
3 Which fingerprint chart matches Serviette?
Serviette: neutral register, core frequency, general domain, neutral connotation.