You may try to evaluate spell checking functionality for a chosen additional language on the additional languages demo page. Here is a list of all available and supported languages with their short codes.# Language Spelling Grammar Country Short code Localization Number of words Comments Auto Detect auto Auto detect defines a language and sets a correct language for further check. AI-based English + + en_AI The beta version; general English. AI-based German + + de_AI The beta version 1 Af-Soomaali + Somali so_SO 2 Afrikaans + South Africa af_ZA 3 Akan + The Republic of Ghana ak_GH 4 Albanian + Albania sq_AL 5 American English + + United States en_US en-us 142,375 6 Amharic + Ethiopia am_ET 7 Ancient Greek + Greek grc_GR 8 Arabic + + ar_SA NEW | 5.5.9 9 Aragonese + Spain an_ES 10 Argentinian Spanish + + Argentina es_AR 11 Armenian + Armenia hy_AM 12 Assamese + India as_IN 13 Asturian + Spain ast_ES 14 Australian English + + Australia en_AU 15 Austrian German + + Austria de_AT 16 Azerbaijani or Azeri (Latin alphabet) + Azerbaijan az_AZ 19,131 17 Belarusian + Belarus be_BY 18 Bengali + India bn_IN 19 Bolivian Spanish + + Bolivia es_BO 20 Bosnian + Bosnia and Herzegovina bs_BA 21 Brazilian Portuguese + + Brazil pt_BR pt-br 10,394,016 22 Breton + France br_FR 23 British English + + The United Kingdom en_GB en-gb 145,296 24 Bulgarian + Bulgaria bg_BG 25 Canadian English + + Canada en_CA en-ca 121,966 26 Canadian French + + Canada fr_CA fr-ca 136,870 27 Catalan + + Spain ca_ES 28 Chichewa + South Central Africa (Zambia, Malawi) ny_MW 29 Chilean Spanish + + Chile es_CL 30 Chuvash + Russia cv_RU 31 Colombian Spanish + + Columbia es_CO 32 Costa Rican Spanish + + Costa Rica es_CR 33 Croatian + Croatia hr_HR 34 Cuban Spanish + + Cuba es_CU 35 Czech + Czech Republic cs_CZ 36 Danish + Denmark da_DK da 311,122 37 Dominican Spanish + + Dominican Republic es_DO 38 Dutch + + The Netherlands nl_NL nl 425,411 39 Ecuadorian Quechua + Ecuador qu_EC 40 Ecuadorian Spanish + + Ecuador es_EC 41 Estonian (Eesti keel) + Estonia et_EE 42 Esperanto + International auxiliary language eo_EO 43 Euskara or Basque + Spain eu_ES 44 Faroese + Faroe Islands fo_FO 45 Fijian + Fiji fj_FJ 46 Finland Swedish + Finland sv_FI 47 Finnish + Finland fi_FI fi 251,467 48 French + + France fr_FR fr 423,869 49 Frisian + Netherlands fy_NL 50 Friulian + Italy fu_IT 51 Galician + Spain gl_ES 52 Gascon + France gsc_FR 53 Georgian + Georgia ka_GE 54 German + + Germany de_DE de 2,301,750 55 Greek + + Greece, Cyprus el_GR el 575,120 56 Guatemalan Spanish + + Guatemala es_GT 57 Gujarati + India gu_IN 58 Haitian Creole + Haiti ht_HT 59 Hausa + Nigeria ha_GH 60 Hawaiian + United States (The State of Hawaii) haw_US 61 Hebrew + Israel he_HE 62 Hiligaynon + Philippines hl_PH 63 Hindi + India hi_IN 64 Honduran Spanish + + Honduras es_HN 65 Hungarian + Hungary hu_HU 66 Icelandic + Iceland is_IS 67 Indonesian + Indonesia id_ID 68 Interlingua International auxiliary language ia_XR DEPRECATED | 5.0.0 69 Irish + Ireland ga_IE 70 Italian + + Italy it_IT it 2,904,302 71 Japanese - + Japan ja_JP NEW | 5.5.6 72 Kannada + India kn_IN 73 Kashubian + Poland csb_PL 74 Kazakh + Kazakhstan kk_KZ 75 Kenya Swahili + Kenya sw_KE 76 Kinyarwanda + Rwanda rw_RW 77 Korean + South Korea ko_KR 78 Kurdish + Turkey ku_TR 79 Kyrgyz + Kyrgyzstan ky_KG 80 Latin + la_VA, la_LA 81 Latvian + Latvia lv_LV 82 Lingala + Dem. Rep. of Congo ln_CD 83 Lithuanian + Lithuania lt_LT 84 Lower Sorbian + Germany dsb_DE 85 Lowlands Saxon + Germany nd_DE 86 Luganda + Uganda lg_UG 87 Lule Sami + Norway, Sweden smj_NO 88 Luxembourgish + Luxembourg lb_LU 89 Macedonian + Macedonia mk_MK 90 Maithili + Nepal, India ma_IN 91 Malagasy + Malagasy mg_MG 92 Malay + Malaysia ms_MY 93 Malayalam + India ml_IN 94 Maltese + Malta mt_MT 95 Manx Isle of Man gv_GB DEPRECATED | 5.0.0 96 Maori + New Zealand mi_NZ 97 Marathi + India mr_IN 98 Mexican Spanish + Mexico es_MX 99 Moldovan + Republic of Moldova ro_MO 100 Mongolian + Mongolia mn_MN 101 Mossi + Burkina Faso mo_BF 102 Nepali + Nepal ne_NP 103 New Zealand English + + New Zealand en_NZ 104 Nicaraguan Spanish + + Nicaragua es_NI 105 Northern Sami + Norway se_NO 106 Northern Sotho + South Africa ns_ZA 107 Norwegian Bokmal + Norway nb_NO nb 888,428 108 Norwegian Nynorsk + Norway nn_NO 109 Occitan + France oc_FR 110 Odia + India or_IN 111 Oromo + Ethiopia om_ET 112 Panamanian Spanish + + Panama es_PA 113 Panjabi + India, Pakistan pa_IN 114 Paraguayan Spanish + + Paraguay es_PY 115 Persian + Iran fa_IR 116 Peruvian Spanish + + Peru es_PE 117 Polish + + Poland pl_PL 118 Portuguese + + Portugal pt_PT pt 993,633 119 Puerto Rican Spanish + + Puerto Rico es_PR 120 Quechua + Bolivia qu_BO 121 Romanian + Romania ro_RO 122 Russian + + Russia ru_RU 123 Salvadoran Spanish + + El Salvador es_SV 124 Sanskrit + India sa_IN 125 Sardinian + Italy sc_IT 126 Scottish + Gaelic Scotland gd_GB 127 Serbian (Cyrillic alphabet) + Serbia sr_CY 128 Serbo-Croatian (Gaj's Latin alphabet) + Serbia, Croatia, Bosnia and Herzegovina, Montenegro sr_LT 129 Shona + Zimbabwe sn_ZW 130 Shuswap + Canada shs_CA 131 Simplified Chinese + Mainland China, Singapore zh_CN 132 Sinhalese + Sri Lanka si_LK 133 Slovak + + Slovakia sk_SK 134 Slovenian + + Slovenia sl_SL 135 South African English + South Africa en_ZA 136 Southern Ndebele + South Africa nr_ZA 137 Southern Sami + Norway, Sweden se_SE 138 Southern Sotho + South Africa st_ZA 139 Spanish + + Spain es_ES es 3,207,402 140 Swazi + South Africa ss_ZA 141 Swedish + + Sweden, Finland sv_SE sv 861,730 142 Swiss German + + Switzerland de_CH 143 Tagalog + Philippines tl_PH 144 Tajik + Tajikistan tg_TG 145 Tamil + India ta_IN 146 Tanzanian Swahili + Tanzania sw_TZ 147 Tatar + Tatarstan tt_RU 148 Telugu + India te_IN 149 Tetum + Indonesia tet_ID 150 Tigrinya + Ethiopia ti_ER 151 Tok Pisin + Papua New Guinea tpi_PG 152 Tsonga + South Africa ts_ZA 153 Tswana + Botswana tn_ZA 154 Turkish + Turkey tr_TR 155 Turkmen + Turkmenistan tk_TM 156 Ukrainian + + Ukraine uk_UA uk 2,597,806 157 Upper Sorbian + Germany hsb_DE 158 Urdu + Pakistan ur_PK 159 Uruguayan Spanish + + Uruguay es_UY 160 Uzbek (Cyrillic alphabet) + Uzbekistan uz_UZ 161 Uzbek (Latin alphabet) + Uzbekistan uz_LT 110,214 NEW | 5.0.0 162 Valencian + Spain cat_ES 163 Venda + South Africa ve_ZA 164 Venezuelan Spanish + + Venezuela es_VE 165 Vietnamese + Vietnam vi_VN 166 Walloon + Belgium wa_BE 167 Welsh + Wales cy_GB 168 Xhosa + South Africa xh_ZA 169 Yiddish + yi_YI 170 Zulu + South Africa zu_ZA