To replace the word "learned" with a synonym that aligns with the theme of "homemade," you can use the word "cultivated."

Thus, the complete phrase would be: "Happiness is homemade, but experience is cultivated."

This maintains the essence of both concepts, suggesting that both happiness and experience require care and effort to develop. If you would like additional synonyms or variations for "learned," here are a few options: educated, informed, or knowledgeable.

Sources

LEARNED Synonyms: 204 Similar and Opposite WordsWhat is another word for learned? | Learned Synonyms - WordHippoLEARNED - 23 Synonyms and Antonyms - Cambridge English445 Synonyms & Antonyms for LEARN | Thesaurus.comSynonyms of LEARNED | Collins American English ThesaurusLEARN Synonyms: 109 Similar and Opposite WordsLearned Synonyms | Uses & Example Sentences - QuillBot

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