Word finder

Words that start with IS

Looking for a word that begins with IS? Every one below is valid on Wordtide's board, grouped by length so you can find the one that fits. There are 284 playable words starting with IS in Wordtide's English dictionary. The most common length is 8 letters, and the longest word is ISENTROPICALLY. The highest-scoring is ISOCARBOXAZIDS, worth 33 points.

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Popular words starting with IS

ISOLATING10
ISOLATED9
ISOLATION9
ISSUING9
ISLANDS8
ISOLATES8
ISSUED8
ISLAND7
ISOLATE7
ISSUES7
ISSUE6
ISLE4
IS2
ISTHMUSES14
ISTHMUS12
ISLANDERS10
ISLANDER9
ISLES5

Highest-scoring words starting with IS

Points are Wordtide tile values before bonus squares. Rare letters pay most: J, Q and Z are worth 9, X is 7.

ISOCARBOXAZIDS33
ISOCARBOXAZID32
ISOALLOXAZINES28
ISOALLOXAZINE27
ISOENZYMATIC26
ISOENZYMIC24
ISOMERIZATIONS24
ISOMORPHICALLY24
ISOMERIZATION23
ISOZYMIC22
ISOENZYMES22
ISOMERIZING22

2-letter words starting with IS (1)

3-letter words starting with IS (1)

ISM5

4-letter words starting with IS (3)

ISBA6
ISLE4
ISMS6

5-letter words starting with IS (7)

ISBAS7
ISLED6
ISLES5
ISLET5
ISSEI5
ISSUE6
ISTLE5

6-letter words starting with IS (17)

ISATIN6
ISCHIA10
ISLAND7
ISLETS6
ISLING7
ISOBAR8
ISOGON7
ISOHEL8
ISOLOG7
ISOMER8
ISOPOD9
ISSEIS6
ISSUED8
ISSUER7
ISSUES7
ISTHMI10
ISTLES6

7-letter words starting with IS (40)

ISAGOGE9
ISATINE7
ISATINS7
ISCHIAL11
ISCHIUM14
ISLANDS8
ISOBARE9
ISOBARS9
ISOBATH11
ISOCHOR11
ISODOSE8
ISOGAMY12
ISOGENY10
ISOGONE8
ISOGONS8
ISOGONY10
ISOGRAM10
ISOGRIV12
ISOHELS9
ISOHYET11
ISOLATE7
ISOLEAD8
ISOLINE7
ISOLOGS8
ISOMERS9
ISONOMY11
ISOPACH13
ISOPODS10
ISOSPIN9
ISOTACH11
ISOTONE7
ISOTOPE9
ISOTOPY11
ISOTYPE11
ISOZYME19
ISSUANT8
ISSUERS8
ISSUING9
ISTHMIC13
ISTHMUS12

8-letter words starting with IS (66)

ISAGOGES10
ISAGOGIC12
ISARITHM12
ISATINES8
ISATINIC10
ISCHEMIA14
ISCHEMIC16
ISLANDED10
ISLANDER9
ISLELESS8
ISOBARES10
ISOBARIC12
ISOBATHS12
ISOCHEIM14
ISOCHIME14
ISOCHORE12
ISOCHORS12
ISOCHRON12
ISOCLINE10
ISOCRACY14
ISOGENIC11
ISOGLOSS9
ISOGONAL9
ISOGONES9
ISOGONIC11
ISOGRAFT12
ISOGRAMS11
ISOGRAPH13
ISOGRIVS13
ISOHYETS12
ISOLABLE10
ISOLATED9
ISOLATES8
ISOLATOR8
ISOLEADS9
ISOLINES8
ISOLOGUE10
ISOMERIC12
ISOMETRY12
ISOMORPH14
ISONOMIC12
ISOPACHS14
ISOPHOTE12
ISOPLETH12
ISOPODAN11
ISOPRENE10
ISOSPINS10
ISOSPORY12
ISOSTASY10
ISOTACHS12
ISOTHERE10
ISOTHERM12
ISOTONES8
ISOTONIC10
ISOTOPES10
ISOTOPIC12
ISOTROPY12
ISOTYPES12
ISOTYPIC14
ISOZYMES20
ISOZYMIC22
ISSUABLE11
ISSUABLY13
ISSUANCE11
ISTHMIAN12
ISTHMOID13

9-letter words starting with IS (59)

ISAGOGICS13
ISALLOBAR11
ISARITHMS13
ISCHAEMIA15
ISCHEMIAS15
ISINGLASS10
ISLANDERS10
ISLANDING11
ISOBUTANE12
ISOCHEIMS15
ISOCHIMES15
ISOCHORES13
ISOCHRONE13
ISOCHRONS13
ISOCLINES11
ISOCYCLIC17
ISOENZYME21
ISOGAMETE12
ISOGAMIES12
ISOGAMOUS13
ISOGENEIC12
ISOGENIES10
ISOGONALS10
ISOGONICS12
ISOGONIES10
ISOGRAFTS13
ISOGRAPHS14
ISOHYETAL13
ISOLATING10
ISOLATION9
ISOLATORS9
ISOLOGUES11
ISOMERASE11
ISOMERISM13
ISOMERIZE19
ISOMETRIC13
ISOMORPHS15
ISONIAZID18
ISONOMIES11
ISOOCTANE11
ISOPHOTAL13
ISOPHOTES13
ISOPLETHS13
ISOPODANS12
ISOPRENES11
ISOPROPYL15
ISOPYCNIC17
ISOSCELES11
ISOSMOTIC13
ISOSTATIC11
ISOTACTIC13
ISOTHERES11
ISOTHERMS13
ISOTOPIES11
ISOTROPIC13
ISSUANCES12
ISSUELESS10
ISTHMIANS13
ISTHMUSES14

10-letter words starting with IS (38)

ISALLOBARS12
ISCHAEMIAS16
ISENTROPIC14
ISOANTIGEN11
ISOBUTANES13
ISOCALORIC14
ISOCHRONAL14
ISOCHRONES14
ISOCRACIES14
ISOCYANATE14
ISOENZYMES22
ISOENZYMIC24
ISOGAMETES13
ISOGAMETIC15
ISOGLOSSAL11
ISOGLOSSES11
ISOGLOSSIC13
ISOGRAFTED15
ISOLATABLE12
ISOLATIONS10
ISOLEUCINE13
ISOMERASES12
ISOMERISMS14
ISOMERIZED21
ISOMERIZES20
ISOMETRICS14
ISOMETRIES12
ISOMORPHIC18
ISONIAZIDS19
ISOOCTANES12
ISOPIESTIC14
ISOPLETHIC16
ISOPRENOID13
ISOPROPYLS16
ISOSPORIES12
ISOSTASIES10
ISOTHERMAL14
ISOTROPIES12

11-letter words starting with IS (15)

ISALLOBARIC15
ISINGLASSES12
ISOANTIBODY16
ISOANTIGENS12
ISOBUTYLENE16
ISOCHRONISM17
ISOCHRONOUS16
ISOCYANATES15
ISOELECTRIC15
ISOGRAFTING16
ISOLEUCINES14
ISOMERIZING22
ISOMORPHISM19
ISOMORPHOUS18
ISOTONICITY15

12-letter words starting with IS (13)

ISOANTIGENIC15
ISOBUTYLENES17
ISOCHRONALLY18
ISOCHRONISMS18
ISODIAMETRIC17
ISOENZYMATIC26
ISOLATIONISM14
ISOLATIONIST12
ISOMORPHISMS20
ISOPRENALINE14
ISOTHERMALLY18
ISOTONICALLY16
ISOTOPICALLY18

13-letter words starting with IS (16)

ISOAGGLUTININ16
ISOALLOXAZINE27
ISOANTIBODIES16
ISOCARBOXAZID32
ISOCHROMOSOME21
ISOCHRONOUSLY20
ISOELECTRONIC17
ISOLATIONISMS15
ISOLATIONISTS13
ISOMERIZATION23
ISOMETRICALLY19
ISOPRENALINES15
ISOPROTERENOL15
ISOSMOTICALLY19
ISOSTATICALLY17
ISOTONICITIES15

14-letter words starting with IS (8)

ISENTROPICALLY20
ISOAGGLUTININS17
ISOALLOXAZINES28
ISOCARBOXAZIDS33
ISOCHROMOSOMES22
ISOMERIZATIONS24
ISOMORPHICALLY24
ISOPROTERENOLS16

More words starting with I

Other letters

Every word comes from the ENABLE public-domain word list that Wordtide's English board uses, with offensive words removed. Numbers next to a word are its points from our own letter values.

Questions

How many words are there starting with IS?

Wordtide's English dictionary (the public-domain ENABLE list without offensive words) has 284 words starting with IS, from 2 to 14 letters long.

What is the highest-scoring word starting with IS?

ISOCARBOXAZIDS, worth 33 points with Wordtide letter values before bonus squares. Close behind: ISOCARBOXAZID (32), ISOALLOXAZINES (28) and ISOALLOXAZINE (27).

What are some common 5-letter words starting with IS?

ISSUE, ISLES, ISLET, ISBAS, ISLED and ISSEI. See the full 5-letter list on this page or browse all 5-letter words at wordtide.app/words/5-letter.

Can I play these words in Wordtide?

Yes. Every word listed is valid on Wordtide's English board, a free word game on one endless board shared by players worldwide. Play in the browser with no download or sign-up.

Play these words on the shared board

Wordtide is a free word game on one endless board shared by players around the world. Build off anyone's words, claim bonus squares and grow your own island: no download, no sign-up. Every word on this page is valid in the English world.

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