Similar words
mole
mole is more about physical softness or mushiness, and colloquially "weak" as an insult; suave is more about a gentle, mild texture or manner.
Similar in other languages
Spanish
blando
blando is the Spanish word for the same thing — both mean "soft."
French
mou
mou is the French word for the same thing — both mean "soft."
Practice
1 What does suave mean?
soft
2 Fill the gap: O tecido é ___.
Full sentence: O tecido é suave. (The fabric is soft.)
3 Which fingerprint chart matches suave?
suave: neutral register, common frequency, general domain, neutral connotation.