devious, tricky, underhand, shifty, sly
stealthly?
sly means sneaky like a fox
She crept around the corner, trying to be sneaky so she could surprise her friend.
lurk
It doesn't mean either. It means sneaky.
he was a sneaky jackrabbit.
The word "sneaky" does not have a suffix.
Some synonyms for the word ''Sneaky'' are devious, deceitful, cowardly, tricky, un-reliable, untrustworthy, sly, slippery, low, malicious, nasty and mean, among with many other words.
Words hiding in 'sneaky manner' are:sneakamamananAnn or Anne
Devious means showing a skillful use of cunning and deception to achieve one's goals, often in a secretive or indirect way. It typically involves being sly, deceitful, or dishonest in one's actions or intentions.
sly
Stealthy
Sneaky (acting in an underhand way, deceptive) is "sournois - sournoise" in French.