Pet (7)
'pet' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for tantrum that I've seen before include "Childish outbreak of temper" , "throwing this?" , "Fit of ill-temper" , "Fit of childish temper" , "Hissy fit" .)
(Other definitions for peeve that I've seen before include "Cause to be annoyed, irritated, or resentful" , "grouse" , "Cause resentment" , "Cause annoyance" , "Annoy, get at, irritate" .)
'pet' is the definition.
(both can mean to touch lovingly)
This is all the clue.
(Other definitions for canoodle that I've seen before include "Pet" , "spoon" , "Hug and kiss" , "Smooch" , "neck" .)