uncopyrightable
Nonmodal is MAYBE the longest word.
hi
The longest word starting with E is Electroencephalographically.
restate
Bellybuttons would be the longest word I can think of beginning with a 'b' and ending in an 's'.
repeat
repeat
Biotechnological
Synonyms include redo (repeat process) or echo (a repetition).
Defeat or repeat.
Acetylcholinesterase is a 20 letter word. It is a chemical compound.