Similar words
trafegar
trafegar more specifically means travelling through traffic; viajar is more general, "to travel."
Similar in other languages
German
reisen
reisen is the German word for the same thing — both mean "to travel."
Spanish
viajar
viajar is the Spanish word for the same thing — both mean "to travel."
Practice
1 What does viajar mean?
to travel
2 Fill the gap: Adoro ___.
Full sentence: Adoro viajar. (I love travelling.)
3 Which fingerprint chart matches viajar?
viajar: neutral register, core frequency, general domain, neutral connotation.