If you're looking for a verb that means something similar, here are some options depending on the context:
* If you're talking about writing:
* "He wrote a line of code."
* "The programmer typed the word into the search bar."
* If you're talking about speaking:
* "The speaker uttered a single line about hope."
* "The child whispered the words quietly."
* If you're talking about programming:
* "The engineer defined the word line in the circuit diagram."
* "The software allocated a specific address for the word line."
Could you please give me more context about how you want to use "word line" as a verb? I might be able to suggest a better option that fits your intended meaning.