Incorrect spelling, explanation: the term moreso is a common misspelling of the correct phrase more so. The correct form is more so, and here’s why: more so is a phrase used to emphasize that a certain quality or condition applies to a greater extent, especially when compared to something else. It’s a common and recognized phrase in English. Moreso is not an accepted or standard spelling. The correct form uses two separate words: more and so.

Correct spelling, explanation: the phrase more so doesn’t have a complex etymology like some words do, as it’s made up of two common English words: more and so. The word more comes from the Old English word māra, which has Germanic origins. It has been used for centuries in English to indicate a greater quantity, degree, or extent of something. The word so comes from Old English swā, also with Germanic roots. It has a wide range of meanings in English, including to such an extent, in that manner, and therefore. Remember to spell more so separately – moreso is just a mistake.

Definition of more so:
phrase, used to emphasize that a particular quality, condition, or statement applies to a greater extent or to a higher degree
He had always enjoyed reading, but after discovering his favorite author’s latest work, his passion for literature grew even more so.
She enjoys painting, and even more so when she’s surrounded by nature.

Collocations with more so:
Some most commonly used collocations include:
1. More so because: used to explain why a particular quality or condition is even more significant.
The performance was highly impressive, more so because the lead actor was battling an illness throughout.
2. More so among: used to indicate that a certain quality, behavior, or phenomenon is prevalent within a specific group or demographic.
Mental health concerns are increasing, more so among teenagers due to various societal pressures.
3. More so in (a certain context): used to emphasize that a certain quality or condition is particularly true or relevant in a specific setting.
Empathy is essential in any profession, but it’s more so in healthcare where patients need emotional support.