Words starting with IS
Every word in the dictionary whose first 2 letters are IS — 285 of 172,823.
- Words
- 285
- Everyday
- 18in the size-ranked core
- Longest
- 17isoelectronically
- Shortest
- 2is
- is
- island
- islander
- islanders
- islands
- isle
- isles
- isolate
- isolated
- isolates
- isolating
- isolation
- issue
- issued
- issues
- issuing
- isthmus
- isthmuses
- ischemia
- ischemic
- isinglass
- islet
- islets
- ism
- isms
- isobar
- isobaric
- isobars
- isolationism
- isolationist
- isolationists
- isomer
- isomeric
- isomerism
- isomers
- isometric
- isometrically
- isometrics
- isomorphic
- isomorphism
- isosceles
- isotherm
- isotherms
- isotope
- isotopes
- isotopic
- isotropic
- issuance
- issuer
- issuers
- isthmian
- isagoge
- isagoges
- isagogic
- isagogics
- isallobar
- isallobaric
- isallobars
- isatin
- isatins
- isba
- isbas
- ischemias
- ischia
- ischial
- ischium
- isentropic
- isentropically
- isinglasses
- islanded
- islanding
- isled
- isling
- isoagglutinin
- isoagglutinins
- isoalloxazine
- isoalloxazines
- isoantibodies
- isoantibody
- isoantigen
- isoantigenic
- isoantigens
- isobare
- isobares
- isobath
- isobaths
- isobutane
- isobutanes
- isobutylene
- isobutylenes
- isocaloric
- isocarboxazid
- isocarboxazids
- isocheim
- isocheims
- isochime
- isochimes
- isochor
- isochore
- isochores
- isochors
- isochromosome
- isochromosomes
- isochron
- isochronal
- isochronally
- isochrone
- isochrones
- isochronism
- isochronisms
- isochronous
- isochronously
- isochrons
- isocline
- isoclines
- isocracies
- isocracy
- isocyanate
- isocyanates
- isocyclic
- isodiametric
- isodose
- isoelectric
- isoelectronic
- isoelectronically
- isoenzymatic
- isoenzyme
- isoenzymes
- isoenzymic
- isogamete
- isogametes
- isogametic
- isogamies
- isogamous
- isogamy
- isogeneic
- isogenic
- isogenies
- isogeny
- isogloss
- isoglossal
- isoglosses
- isoglossic
- isogon
- isogonal
- isogonals
- isogone
- isogones
- isogonic
- isogonics
- isogonies
- isogons
- isogony
- isograft
- isografted
- isografting
- isografts
- isogram
- isograms
- isohel
- isohels
- isohyet
- isohyetal
- isohyets
- isolable
- isolatable
- isolationisms
- isolations
- isolator
- isolators
- isoleucine
- isoleucines
- isoline
- isolines
- isolog
- isologs
- isologue
- isologues
- isomerase
- isomerases
- isomerisms
- isomerization
- isomerizations
- isomerize
- isomerized
- isomerizes
- isomerizing
- isometries
- isometry
- isomorph
- isomorphically
- isomorphisms
- isomorphous
- isomorphs
- isoniazid
- isoniazids
- isonomic
- isonomies
- isonomy
- isooctane
- isooctanes
- isopach
- isopachs
- isophotal
- isophote
- isophotes
- isopiestic
- isopleth
- isoplethic
- isopleths
- isopod
- isopodan
- isopodans
- isopods
- isoprenaline
- isoprenalines
- isoprene
- isoprenes
- isoprenoid
- isopropyl
- isopropyls
- isoproterenol
- isoproterenols
- isopycnic
- isosmotic
- isosmotically
- isospin
- isospins
- isostasies
- isostasy
- isostatic
- isostatically
- isotach
- isotachs
- isotactic
- isothere
- isotheres
- isothermal
- isothermally
- isotone
- isotones
- isotonic
- isotonically
- isotonicities
- isotonicity
- isotopically
- isotopies
- isotopy
- isotropies
- isotropy
- isotype
- isotypes
- isotypic
- isozyme
- isozymes
- isozymic
- issei
- isseis
- issuable
- issuably
- issuances
- issuant
- issueless
- isthmians
- isthmic
- isthmoid
- istle
- istles
- isarithm
- isarithms
- isatine
- isatines
- isatinic
- ischaemia
- ischaemias
- isleless
- isograph
- isographs
- isogriv
- isogrivs
- isolead
- isoleads
- isospories
- isospory
- isthmi
What is in this list
The longest is isoelectronically at 17 letters.
They run from 2 to 17 letters; 66 of them have 8 letters, more than any other length.
18 of them — 6% — are in the everyday tier; the rest are filed as rarer.
Every one of them contains each of I and S.
The one furthest down the tiers is ischaemias, filed in the unranked list.
2
13
14
35
76
177
408
669
5910
3811
1512
1313
1614
817
1
Longer openings that begin with IS
Elsewhere
- All I…6,978
- ends ACK
- ends ADS
- ends AGE
- ends ALS
- ends AMS
- ends AND
- ends ANS
- ends ANT
- ends ARD
- ends ARS
- ends ARY
- ends ASE
Ordered everyday words first, then alphabetical inside each group — the same rule on every list here. At most 300 are printed on one page.