There are 237 words hidden in the letters of HARMLESS, from 24 two-letter words up to HARMLESS (8 letters). For points, HARMLESS is best at 13.
No other single word uses all 8 letters of HARMLESS. HARMLESS has 8 letters: 2 vowels and 6 consonants, worth 13 points before any board bonuses.
8-letter words 1
7-letter words 8
armless9ashlers10lashers10marshes12mashers12shmears12slasher10smasher12
6-letter words 24
almehs11ashler9halers9harems11hassel9hassle9lasers6lasher9lashes9marses8masers8masher11mashes11rashes9rassle6realms8selahs9shales9shames11shares9sheals9shears9shmear11smears8
5-letter words 63
almeh10almes7arles5ashes8earls5haems10haler8hales8halms10hames10harem10hares8harls8harms10heals8hears8helms10hemal10herls8herma10herms10lamer7lames7lares5laser5lases5lears5leash8lehrs8males7mares7marls7marse7marsh10maser7masse7meals7merls7mesas7rales5rases5realm7reals5reams7rheas8sales5sames7seals5seams7sears5selah8seral5shale8shame10shams10share8sheal8shear8sheas8slams7slash8smash10smear7
4-letter words 75
ahem9ales4alme6alms6ares4arms6earl4ears4elms6eras4ersh7haem9haes7hale7halm9hame9hams9hare7harl7harm9heal7hear7helm9hems9herl7herm9hers7lame6lams6lars4lase4lash7lass4lear4leas4lehr7less4maes6male6mare6marl6mars6mash9mass6meal6mels6merl6mesa6mesh9mess6rale4rams6rase4rash7real4ream6rems6resh7rhea7sale4sals4same6sash7seal4seam6sear4seas4sels4sera4sers4sham9shea7sher7shes7slam6
3-letter words 42
ale3als3are3arm5ars3ash6ear3elm5els3ems5era3ers3ess3hae6ham8has6hem8her6hes6lam5lar3las3lea3mae5mar5mas5meh8mel5mes5rah6ram5ras3rem5res3sae3sal3sea3sel3ser3sha6she6ssh6
2-letter words 24
ae2ah5al2am4ar2as2eh5el2em4er2es2ha5he5hm7la2lm4ls2ma4me4ms4re2rs2sh5ss2
Words are from our open word list and include some game-only words. Rude words are left out of this page; the unscrambler shows every valid word, lets you add blank tiles and filter by length.