sweetthing

noun
UK /ˈswiːtθɪŋ/
US /ˈswiːtθɪŋ/

A sweetthing is a person or thing you love very much.

The little girl called her puppy her sweetthing.


OTHER MEANINGS

2. A term of affection used for a romantic partner.

He kissed her and whispered, 'Goodnight, sweetthing.'

3. A very tasty dessert or candy.

The bakery window was full of colorful sweetthings.

4. Something that is cute or pleasing to look at.

That tiny cottage by the lake is a real sweetthing.