Words that come from Proto-Indo-European “swep-”
400 words across 75 languages descend from Proto-Indo-European swep- — including insomnia, hypnotic, hypnosis, somnolence, somnolent, soporific, somnambulism, hypnotherapy.
See the etymology of swep- itself →
English (95)
- insomnia
- hypnotic
- hypnosis
- somnolence
- somnolent
- soporific
- somnambulism
- hypnotherapy
- somnambulist
- hypnotize
- hypnotically
- hypnotizing
- somnambulistic
- Rohypnol
- hypnotizability
- hypnagogic
- hypnotherapist
- posthypnotic
- hypnotizable
- hypnotizer
- somniferous
- hypersomnolence
- sopor
- nonhypnotic
- somnambule
- hypnoid
- hypnotization
- hypnic
- somnolently
- hypnoses
- hypnotherapeutic
- autohypnosis
- sweven
- roofie
- hypnobirthing
- hypnogenic
- hypnogram
- soporifically
- hypnozoite
- hypnosedative
- autohypnotic
- hypnoanalysis
- somnific
- insomnious
- insomnolence
- posthypnosis
- prehypnotic
- somnambulation
- prehypnosis
- sopite
- somnambulistically
- hypnology
- dehypnotize
- sweb
- somnial
- antihypnotic
- hypnophobia
- somniferously
- somniloquous
- unhypnotizable
- dehypnotization
- hypnoanalytic
- insomnolent
- somnifacient
- hypnotizingly
- somnipathy
- rehypnotize
- hypnoscope
- narcohypnosis
- narcohypnotic
- hypnoanalyst
- hypnogenesis
- hypnologist
- neurohypnology
- hypno-
- hypnocyst
- somnipathist
- unhypnotic
- nonsoporific
- consopite
- somniculous
- swebby
- semisomnia
- hypnodomme
- hypnoanalytical
- hypnophobic
- hypnotherapeutically
- hypnotherapeutics
- parahypnotic
- hypnofetish
- hypnorape
- hypnosedation
- swevening
- hypnoseduction
- rehypnosis
Latin (38)
- somnus
- insomniosus
- insomnia
- somnialis
- somnium
- somnificus
- somnolentus
- sopitus
- sopor
- hypnoticus
- somnifer
- insomnis
- somnio
- soporifer
- sopio
- sopiens
- somniator
- somnialiter
- consopio
- consopitus
- somnians
- somniculosus
- somnulentus
- somniger
- somnolentia
- consopiens
- consopiturus
- consopiendus
- somniaturus
- somniatus
- somniandus
- sopiturus
- sopiendus
- sopimus
- sopiri
- sopore
- somni
- sopite
Italian (36)
- sogno
- sognare
- sonno
- insonne
- insonnia
- insonnolire
- insonnolito
- ipnosi
- ipnotizzare
- sognatore
- sonnolenza
- sonnolento
- sonnacchioso
- ipnoticamente
- sognato
- ipno-
- ipnogeno
- ipnotizzatore
- autoipnosi
- ipnoanalisi
- ipnologia
- ipnologo
- ipnopedia
- ipnoterapia
- sonnacchiosamente
- sopore
- soporoso
- sonniloquio
- ipnositerapia
- insonnemente
- sognabile
- narcoipnosi
- narcoipnotico
- ipnotico
- sognaccio
- sonni