The List
There are 251 4 letter words with L as the last letter. The highest scoring is JOWL at 14 points in Scrabble. 3 of them contain no vowel at all: BYRL, GRRL, HWYL.
ACYLAMYLANILARILARYLAVALAVELAWDLAWOLAXALAXELAXILBAALBAELBAILBALLBAWLBELLBHELBILLBIRLBOILBOLLBOOLBOWLBUHLBULLBURLBYRLCALLCARLCAULCEILCELLCHALCIELCILLCIRLCOALCOILCOLLCOOLCOWLCULLCURLDAALDAHLDEALDEILDELLDHALDHOLDIALDIELDILLDIOLDIRLDOLLDOOLDOWLDUALDUELDULLEARLEGALENOLEORLEVILEXULFAILFALLFARLFEALFEELFELLFILLFOALFOILFOOLFOULFOWLFUELFULLFURLGALLGAOLGEALGILLGIRLGOALGOELGOOLGOWLGRRLGULLGURLGYALHAILHALLHARLHAULHEALHEELHEILHERLHILLHOWLHULLHURLHWYLIDOLIDYLJAILJARLJEELJELLJILLJOLLJOWLKAALKAILKEELKELLKEWLKILLKOELKOHLLALLLEALLILLLOLLLULLMAILMALLMARLMAULMEALMELLMERLMEWLMILLMOILMOLLMOOLMOYLMUILMULLMURLMYALNAILNEALNILLNIRLNOELNOILNOLLNOULNOWLNULLNURLOBOLODALODYLOPALORALOVALOVELPAALPAILPALLPAULPAWLPEALPEELPELLPIALPILLPIRLPOLLPOOLPULLPURLRAILREALREELRIALRIELRILLROILROLLROTLROULRYALSAILSALLSAULSCULSEALSEELSEILSELLSHULSIALSILLSKOLSOILSOOLSOULSOWLTAALTAELTAILTALLTEALTEELTEILTELLTILLTIRLTOILTOLLTOOLTWALUDALVAILVEALVEILVELLVIALVILLVIOLVIRLVRILWAILWALLWAULWAWLWEALWEELWEILWELLWIELWILLWOOLWULLYAWLYELLYILLYOWLZEALZILL