Morpheme
Sudden
Type
free base
Denotation
unexpected, quickly, abrupt, without warning
Etymology
Anglo-Norman sudein, sodein or Old French sodain, subdain; Latin subitaneus, subitus, from subire, sub + ire
Evidence
sudden, suddener, suddenest, suddenness, suddently, suddens, suddenly
Notes
<n> does not double because the stress falls on the first syllable
