List of long words

This is a list of long words; words 20 characters or longer.

Last edit as of (time) by (user) - (edit)

in -
sphenopalatineganglioneuralgia (30) floccinaucinihilipilification (29) ethylenediaminetetraacetates (28) -

ethylenediaminetetraacetate (27) + phosphatidylethanolamines (25) - intercomprehensibilities (24) - incomprehensiblenesses (24) - overintellectualizations (24) - incomprehensiblenesses (23) - indistinguishablenesses (23) - denstitutionalizations (23) = - hexamethylenetetramines (23) - intersubstitutabilities (23) - otorhinolaryngologists (22) - counterinterpretations (22) - buckminsterfullerenes (21) - meningoencephalitides(21) internationalizations (21) - contradistinguishing (20)

no -
sphenopalatineganglioneuralgia (30) radioimmunoelectrophoresis (26) - phosphatidylethanolamines (25) - knock-down-and-drag-out (24) nonrepresentationalisms (23) - otorhinolaryngologists (22) - = nondenominationalisms (21) - immunocytochemistries (21) - xenotransplantations (20) phosphoenolpyruvates (20) roentgenographically (20)

se -
pseudopseudohypoparathyroidism (30) - antidisestablishmentarianism (28) - nonrepresentationalisms (23) - indistinguishablenesses (23) - carboxymethylcelluloses (23) - unself-consciousnesses (22) -

establishmentarianisms (22) - +

establishmentarianism (21) + - hyperaggressivenesses (21) pseudosophistications (21) - semiautobiographical (20)

er -
supercalifragilisticexpialidocious (34) - psychophysicotherapeutics (25) - counter-counter-measures (24) - (and all of its variants) one-hundred-percentisms (23) - intersubstitutabilities (23) - overcommercializations (22) - counterrevolutionaries (22) - keratoconjunctivitides (22) - counterinterpretations (22) - buckminsterfullerenes (21) - internationalizations (21) - counterdemonstrations (21) -

supercalifragilistic (20) + bacteriochlorophylls (20)

es -
antidisestablishmentarianism (28) ethylenediaminetetraacetates (28) - phosphatidylethanolamines (25) - hexamethylenetetramines (23) - intersubstitutabilities (23) - unself-consciousnesses (22) - immunohistochemistries (22) -

establishmentarianisms (22) - +

establishmentarianism (21) + - expressionlessnesses (21) - hyperaggressivenesses (21) immunocytochemistries (21) straightforwardnesses (21) phosphoenolpyruvates (20)

paradichlorobenzenes (20) electroluminescences (20)

ra -
supercalifragilisticexpialidocious (34) - sphenopalatineganglioneuralgia (30) pseudopseudohypoparathyroidism (30) - electroencephalographically (27) - radioimmunoelectrophoresis (26) knock-down-and-drag-out (24) hexamethylenetetramines (23) - spectroheliographically (23) - keratoconjunctivitises (22) - =

supercalifragilistic (20) + contradistinguishing (20)

h -
dichlorodiphenyltrichloroethane (31) - sphenopalatineganglioneuralgia (30) pseudopseudohypoparathyroidism (30) - floccinaucinihilipilification (29) hexakosioihexekontahexaphobia (29) antidisestablishmentarianism (28) - ethylenediaminetetraacetates (28) -

ethylenediaminetetraacetate (27) + electroencephalographically (27) - radioimmunoelectrophoresis (26) phosphatidylethanolamines (25) - one-hundred-percentisms (23) - carboxymethylcelluloses (23) - hexamethylenetetramines (23) - spectroheliographically (23) - otorhinolaryngologists (22) - =

establishmentarianisms (22) - + dichlorofluoromethanes (22) -

establishmentarianism (21) + - anthropomorphizations (21) - immunocytochemistries (21) - contradistinguishing (20) uncharacteristically (20) homotransplantations (20) phosphoenolpyruvates (20) keratoconjunctivitises (20) overenthusiastically (20)

paradichlorobenzenes (20) bacteriochlorophylls (20)

is -
supercalifragilisticexpialidocious (34) - pseudopseudohypoparathyroidism (30) - antidisestablishmentarianism (28) - radioimmunoelectrophoresis (26) one-hundred-percentisms (23) -

establishmentarianisms (22) - + encephalomyocarditises (22) -

establishmentarianism (21) + - immunocytochemistries (21) -

supercalifragilistic (20) + contradistinguishing (20) keratoconjunctivitis (20) + photoreconnaissances (20)

le -
ethylenediaminetetraacetates (28) -

ethylenediaminetetraacetate (27) + electroencephalographically (27) - radioimmunoelectrophoresis (26) electrocardiographically (24) - hypercholesterolemias (21) - =

Honorable Mentions
This section is for words that are long, but do not fit in the category for the long word list (20 characters).

Words shall be displayed as shown: (bullet point) [WORD IN ALL CAPITAL LETTERS] {NUMBER OF CHARACTERS} (PROMPTS THAT ARE SUITABLE FOR THIS WORD IN ALL CAPITAL LETTERS)


 * ELECTRODYNAMOMETERS (19), EL, LE, EC, RO, NA, AM, MO, OM, ME, ET, TE, ER.
 * ELECTROMAGNETICALLY (19), EL, LE, EC, RO, MA, AG, NE, ET, TI, I, CA.
 * GENTLEMANLIKENESSES (19), GE, EN, LE, EM, MA, AN, LI, KE, NE, ES, SE.
 * MAGNETOFLUIDDYNAMICS (19), MA, AG, NE, ET, TO, OF, LU, ID, NA, AM, MI, IC.
 * PARADICHLOROBENZENE (19), ARA, A, EN, RO, AD, DI, NE, LO, RA, PA, AR, DI.
 * GEDANKENEXPERIMENTS (19), ED, AN, NE, ER, ME.
 * WHIPPOORWILL'S-SHOE (19), HI, OR, IL.
 * DEOXYRIBONUCLEASES (18), DE, RI, BO, ON, NU, LE, EA, AS, SE, ES.
 * ESTABLISHMENTARIAN (18), ES, TA, AB, A, I, H, LI, HM, ME, EN, AR, ARI, AN.
 * DEOXYRIBONUCLEASE (17), DE, RI, BO, ON, NU, LE, EA, AS, SE.
 * TINTINNABULATIONS (17), TI, IN, NA, ON, LA, IN, AT.
 * MESEMBRYANTHEMUMS (17), ME, ES, SE, AN, HE, EM.
 * MESEMBRYANTHEMUMS (17), ME, ES, SE, AN, HE, EM.

Notes for Contributors

 * You can check whether words are valid with the Vivi Discord bot in the OMG Go! official Discord server. This bot is official and is 100% accurate.
 * If there is a "-", "+", or "=" after a word, it means there is a word somewhat similar to it that has a shorter, longer, or equal length than it.