Puzzle over something
Rack one's brains and puzzle over something are semantically related In some cases you can replace phrase "Rack one's brains" with "Puzzle over something", this phrases are similar.
Rack one's brains
Puzzle over something and rack one's brains are semantically related in think hard topic. Sometimes you can replace phrase "Puzzle over something" with "Rack one's brains", this phrases are similar.
Mutual synonyms
Cite this Source
Rack one's brains and Puzzle over something. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/puzzle_over_something/rack_one_s_brains
Puzzle over something & Rack one's brains. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/puzzle_over_something/rack_one_s_brains>.
Rack one's brains or Puzzle over something. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/puzzle_over_something/rack_one_s_brains.
