lie, falsehood, deceive, pretend
詐 centers on intentional deception through words or actions: lying, making false claims, deceiving others, or pretending to be something one is not.
詐 combines 言 (speech) with 乍, which likely contributes the sound and may suggest a sudden or artificial action, together conveying deceptive speech.
Words (言) that are suddenly made up (乍) are lies. Picture someone speaking hastily, crafting a false story on the spot.
For サ, imagine a sly person telling a lie with a sharp, hissing 'sss' sound, like a snake: 'sss' -> サ, the sound of deception.
fraud; swindle; graft; cheating; trick; scam
misrepresentation; false statement
defrauding; swindle
fraud; fraudulence; dupery; hoax
swindling
telephone fraud where the caller pretends to be a relative of the victim
phone scam involving a pretended relative
crab meat mail-order fraud
clickbaiting; giving something a misleading title
Nigerian fraud; 419 fraud
online fraud
phishing
romance scam
one-click fraud (online fraud and extortion technique used by spammers)
one-ring fraud (attempt to encourage a return call to a fraudster's number)
confidence game
confidence trick
false statement (misrepresentation) of one's academic career
petty swindling; petty swindler
better shoddy and sincere than clever and deceptive