Morpheme
Peril
Type
free base
Denotation
risk, hazard, danger
Etymology
Middle English peril; Old French peril; Latin perīculum
Evidence
imperil, imperiled, imperiling, imperilment, imperils, peril, periled, periling, perilous, perilously, perilousness, perils, unimperiled, unperilous
Notes
peril and periculum are doublets
<l> need not double (but can), especially with inflectional suffixes
