Happy days
Happiness and happy days are semantically related. in favorable outcome topic. In some cases you can use "Happiness" instead a noun phrase "Happy days".
Happiness
Happiness noun - A feeling or state of well-being and contentment.
Happy days and happiness are semantically related. You can use "Happy days" instead a noun "Happiness".
Mutual synonyms
Cite this Source
Happiness and Happy days. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/happy_days/happiness
Happy days & Happiness. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/happy_days/happiness>.
Happiness or Happy days. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/happy_days/happiness.
Google Ngram Viewer shows how "happy days" and "happiness" have occurred on timeline