Similar words
arder
quemar is transitive, "to burn something"; arder is intransitive, "to burn, be on fire," describing something that is burning.
Similar in other languages
Portuguese
arder
arder is the Portuguese word for the same thing — both mean "to burn."
Portuguese
queimar
queimar is the Portuguese word for the same thing — both mean "to burn."
Practice
1 What does quemar mean?
to burn
2 Fill the gap: ___ la tostada.
Full sentence: Quemé la tostada. (I burnt the toast.)
3 Which fingerprint chart matches quemar?
quemar: neutral register, core frequency, general domain, neutral connotation.