Sweet

Sweets, also known as candy, was a type of sweet confectionery. The Eleventh Doctor claimed to like sweets. (TV: The Lodger)

The Fourth Doctor clarified to Leela that the jelly babies which he enjoyed were merely sweets rather than actual babies. (TV: The Face of Evil)

The Kandyman was a robot made of candy. It executed people on Terra Alpha with liquid boiling candy called Fondant Surprise. (TV: The Happiness Patrol)

The planet Rokhandi had chromatic lizards that tasted like candy. (COMIC: The Friendly Place)

A breath mint was a type of candy primarily consumed to freshen the smell of one's breath. (TV: The Eclipse of the Korven)

Other references
Handing Craig Owens a paper bag containing £3,000 as his lodger, the Eleventh Doctor advised him against spending it all on sweets unless he liked sweets as he did. (TV: The Lodger)

Aboard Satellite Five in the year 200,000, the Ninth Doctor used his sonic screwdriver to procure a card of unlimited credit from a Credit Five cashpoint, which he gave to Adam Mitchell as "pocket money", advising "don't spend it all on sweets". (TV: The Long Game)