Education

Constructed Languages

Artificially created languages including Esperanto and Klingon.

37 rows5 columns2 views0 downloadsSource: WikipediaUpdated: 2/22/2026
constructed languageslinguisticsconlanglanguages
37 of 37 rows
Name
ISO
Origin
Creator
Description
Solresol1,827François SudreBased on pitch levels sounded with their solfege syllables (a "musical language") although no knowledge of music is required to learn it.
Communicationssprache1,839Joseph SchipferBased on French.
Universalglot1,868Jean PirroAn early a posteriori language, predating even Volapük.
Volapükvo, vol1879–1880Johann Martin SchleyerFirst to generate international interest in IALs.
Esperantoeo, epo1,887L. L. ZamenhofThe most popular auxiliary language ever invented, including, possibly, up to two million speakers, the highest ever for a constructed language and the only one to date to have its own native speakers (approximately 1,000).
Mundolinco1,888J. BraakmanThe first Esperantido.
Bolak, "Blue Language"1,899Léon BollackProspered fairly well in its initial years; now almost forgotten.
Idiom Neutral1,902Waldemar RosenbergerA naturalistic IAL by a former advocate of Volapük.
Latino sine Flexionela-peano1,903Giuseppe Peano"Latin without inflection", it replaced Idiom Neutral in 1908.
Ro1,904Rev. Edward Powell FosterAn a priori language using categories of knowledge.
Idoio, ido1,907A group of reformist Esperanto speakersThe most successful offspring of Esperanto.
Adjuvilo1,910Claudius ColasAn Esperantido some believe was created to cause dissent among Idoists.
Timerio1,921TiemerA language where each concept is replaced with a number, intended to be used as a means for automatic translation.
Interlingueie, ile1,922Edgar de WahlA sophisticated naturalistic IAL, also known as Occidental.
Novialnov1,928Otto JespersenAnother sophisticated naturalistic IAL by a famous Danish linguist.
Sona1,935Kenneth SearightAgglutinative language with universal vocabulary. Its 360 radicals can be combined to form new words.
Esperanto II1,937René de SaussureLast of linguist Saussure's many Esperantidos.
Mondial1940sDr. Helge HeimerNaturalistic European language.
Interglossaigs1,943Lancelot HogbenIt has a strong Greco-Latin vocabulary.
Interlinguaia, ina1,951International Auxiliary Language AssociationA major effort to systematize the international scientific vocabulary. It aims to be immediately comprehensible by Romance language speakers and to some extent English speakers.
Intal1,956Erich WeferlingAn effort to unite the most common systems of constructed languages.
Lingua sistemfrater1,957Pham Xuan ThaiGreco-Latin vocabulary with southeast Asian grammar.
Neoneu1,961Arturo AlfandariA very terse Esperantido.
Babm1,962Rikichi OkamotoNotable for using Latin letters as a syllabary.
Unilingua (now Mirad)1966 (revised 1967 and 2022)Noubar AgopoffA priori ontological vocabulary. Every letter has semantic or functional meaning.
Arcaicam Esperantomeo-arkaika1,969Manuel Halvelik'Archaic Esperanto', developed to produce an archaic effect in Esperanto literature.
Eurolengo1,972Leslie JonesCombines elements of English and Spanish.
Glosa1,975Ronald Clark and Wendy AshbyAn evolution of Interglossa.
Kotavaavk1,978Staren FetceyA sophisticated a priori IAL focused on cultural neutrality.
Uropi1,986Joël LandaisBased on the common Indo-European roots and the common grammatical points of the IE languages.
Poliespo1990s?Billy Ray WaldonEsperanto grammar with significant Cherokee vocabulary.
Romániço1,991AnonymousVocabulary is derived from common Romance roots.
Europanto1,996Diego MaraniA "linguistic jest" by a European diplomat.
Unish1,996Language Research Institute, Sejong UniversityVocabulary from fifteen representative languages.
Lingua Franca Novalfn1,998C. George Boeree and othersRomance vocabulary with creole-like grammar.
Sambahsa-Mundialect2,007Olivier SimonMixture of simplified Proto-Indo-European and other languages.
Lingwa de planeta2,010Dmitri IvanovWorldlang based on Arabic, Chinese, English, French, German, Hindi, Persian, Portuguese, Russian, and Spanish.
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