«جُبَّةُ الْبُرْدِ جُنَّةُ الْبَرْدِ»
“A cloak of fine cloth offers protection from cold.”
The expressions are acoustically close, yet their vocalic patterns and particular letters shape different meanings. The source also attends to differences caused by doubling or lightening a letter.
«الْبِدْعَةُ شَرَكُ الشِّرْكِ»
“Innovation is likened to a snare of polytheism.”
The rhetorical purpose is a memorable connection of sounds and meanings. Such likeness must not lead us to flatten distinct words into one meaning.