What is the top 1 longest word? The longest word in the English language is often considered to be the chemical name for the protein titin, which is **methionylthreonylthreonylglutaminylalanylprolylvalylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglutaminylalanylalanylserylthreonylthreonylalanylserylvalylalanylaspartylglutamylglutaminylalanylthreonylalanylserylglut
