Blue shoe.
shoe glue
"Brown fast bother" could be a potential rhyming pair for "downcast father".
A rhyming word pair for a sad clown is down clown
The rhyming word phrase for "girl from Switzerland" is "Swiss miss."
sad lad
sad lad
"Saddened dad" is a rhyming pair for an unhappy father.
Sad Dad.
sad lad
sad lad
sad lad
bluer moo-er