Numbers in Different Languages

The following is a list of names of the numbers from 1 to 10 in several different languages. You might notice that there are significant similarities between all of the Indo-European languages.
Englishonetwothreefourfivesixseveneightnineten
Germaneinszweidreivierfünfsechssiebenachtneunzehn
Swedishetttvåtrefyrafemsexsjuåttaniotio
Norwegianentotrefirefemsekssyvåtteniti
Frenchundeuxtroisquatrecinqsixsepthuitneufdix
Italianunoduetrequattrocinqueseisetteottonovedieci
Spanishunodostrescuatrocincoseisseiteochonuevediez
Portugueseumdoistrêsquatrocincoseisseteoitonovedez
Catalanundostresquatrecincsissetvuitnoudeu
Latinunusduotresquattorquinquesexseptemoctonovemdecem
Russianodindvatrichetyrepyat'shest'sem'vosem'devyat'desyat'
Polishjedendwatrzyczterypięćsześćsiedemosiemdziewięćdziesięć
Welshundautripedwarpumpchwechsaithwythnawdeg
Greekeîsdúotreiîstéssarespéntehexheptáoktóennéadéka
Finnishyksikaksikolmeneljäviisikuusiseitsemänkahdeksanyhdeksankymmenen
Basquebatbihirulaubostseicazpizortzibederatziamar
Sanskritekabdvitrayahchatvarahpanchashashsaptaashtanavadasha
Swahilimojabilitatu'nnetanositasabbahnannetissakumi
Arabicwahedithnainthelathaarba'ahamzasittaseba'athemaniatisa'aashara

If you can fill me in on any other languages, please mathlair@allfunandgames.ca.

See also some other word-related mathematical recreations.