A பின்வருநிலை அணி type: the same word repeats across a verse, but means something different each time.

திருக்குறள் 592 uses "உடைமை" twice in one line, and a careless reader might think it's just repetition - until they notice the word quietly shifted meaning between the two uses.

"உள்ளம் உடைமை உடைமை பொருளுடைமை நில்லாது நீங்கி விடும்" - திருக்குறள் 592. "உடைமை" repeats, first meaning "having", then "wealth".