freebie
n.something you get for free, like a small gift or a service that costs nothing. You often use this word when you are talking about things you receive without paying for them.
n.an item or service provided at no cost to the recipient.
“The hotel gives you a freebie like a bottle of water.”
“The company offers a freebie to everyone who signs up for their newsletter this month.”
“While the initial consultation is free, the firm often relies on the freebie of a small gift to encourage clients to return for more expensive services later.”
“Many restaurants offer points, freebies, discounts and birthday treats to keep customers coming back.”
“Freebies: a free four-year 16-25 Railcard, which is good for a third off most rail fares in Great Britain, as well as discounts on the tube when linked to an Oyster card.”
From free + -b- (epenthetic) + -ie or free + -bie.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.