Similar words
illegal
Illegal is the general word for illegal; strafbar specifically means punishable by law.
Similar in other languages
English
guilty
guilty is the English word for the same thing — both mean "punishable, guilty."
French
coupable
Close — punishable relates to guilty (coupable).
Practice
1 What does strafbar mean?
punishable
2 Fill the gap: Das ist ___.
Full sentence: Das ist strafbar. (That is punishable by law.)
3 Which fingerprint chart matches strafbar?
strafbar: neutral register, academic frequency, general domain, neutral connotation.