What is another word for by words?
Pronunciation: [ba͡ɪ wˈɜːdz] (IPA) 
The phrase 'by words' can be expressed in a number of ways. 'Verbally' is a commonly used synonym, meaning spoken or expressed through words. 'Orally' also works, and has a similar connotation. 'Linguistically' is another option, indicating communication through language. Additionally, 'in writing' or 'textually' pertain to expressing through written words. Alternatively, 'articulately' describes the capacity to express ideas with clarity and eloquence, without necessarily specifying a medium. 'Vocally' connotes verbal communication through tone and inflection. Finally, 'locutionary' pertains to the act of speaking itself, regardless of the content of the speech.
