Mental burden
Puzzle and mental burden are semantically related. In some cases you can use "Puzzle" instead a noun phrase "Mental burden".
Puzzle
Puzzle noun - Something hard to understand or explain.
Mental burden and puzzle are semantically related. You can use "Mental burden" instead a noun "Puzzle".
Mutual synonyms
Cite this Source
Puzzle and Mental burden. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/mental_burden/puzzle
Mental burden & Puzzle. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/mental_burden/puzzle>.
Puzzle or Mental burden. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/mental_burden/puzzle.
Google Ngram Viewer shows how "mental burden" and "puzzle" have occurred on timeline