Bug up
Puzzle over and bug up are semantically related. In some cases you can use "Puzzle over" instead a verb "Bug up".
Puzzle over
Puzzle over verb - Try to solve.
Bug up and puzzle over are semantically related. Sometimes you can use "Bug up" instead a verb "Puzzle over".
Mutual synonyms
Related pairs
Cite this Source
Puzzle over and Bug up. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/bug_up/puzzle_over
Bug up & Puzzle over. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/bug_up/puzzle_over>.
Puzzle over or Bug up. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/bug_up/puzzle_over.
Google Ngram Viewer shows how "bug up" and "puzzle over" have occurred on timeline