A History of Surnames

Timberlake is an English surname that derived from a habitational name meaning "timber lake" or "wood lake" from Old English elements timber (timber, wood) and lacu (lake, stream). Origin: Old English Pinterest Variants : Tymberlake 

Lake is an English surname, originally derived as a topographic name for someone who lived bear a lake or a stream. The name derives from Old English lacu and ultimately from Proto-Indo-European  *leǵ- (to leak, drain).  Origin: Proto-Indo-European Pinterest