How do you say "hello", "goodbye", "thank you" in your language?

hello-- hoi
goodbye-- houdoe
thank you--- dankje
good morning--- goede morgen

In Korean, have something in honorific(after '/').

Hello=안녕!(Ahan nyeong)/안녕하세요(Ahan nyeong ha se yo)

Goodbye=잘 가(jal ga), 안녕~(Ahan nyeong)/잘가요(jal ga yo),안녕히가세요(Ahan nyeong he ga se yo)

Thank you=고마워(go ma war)/고맙습니다(go map sum ni da), 감사합니다(gam sa hap ni da)

Hell o = Halo

good buy = selamat tinggal/ selamat jalan/ sampai jumpa

tank you = terima kasih

good mourning = selamat pagi

in Italinan
Hello=Ciao
Goodbye= Arrivederci
Thanks= Grazie
Good Morning= Buongiorno

In my dialect Hello/goodbye= "'gne vermimm'"

Bulgarian:

Hallo - Zdrasti
Goodbye - Dovijdane
Thank you - Blagodarq

They use the Russian alphabet.

in Dutch is:

hello --> hallo, hoi.
Goodbye --> doei.
Thank you --> dankje.
Goodmorning --> goede morgen.
GoodEvening --> Goede avond.

now in my own language 😉,

Hello --> jauww,
Goodbye --> Challasz.
Thank you --> Danke.
GoodMorning --> Goeie morguh.
GoodEvening --> Goeie avond,

In English:

Hello, Hi, good day (though this is more formal so we don't really use it)
Good bye, bye
Thank you, thanks, cheers (more informal)

😃

In spanish informal

hello: ¿que pasa?
goodbye: me piro
thank you: te debo una

Asi que me piro, os debo una

hello - privEt (привет)
bye- pokA (пока)
thank you- spasIbo (спасибо)

Hello: Yeet cava
Bye: Tsjow é
Thank you: Zeg bedankt é

In Swiss German:

Hello: Hoi
Goodbye: Tschüss
Thank you: Dankä

Good morning: Guete Morge
(Because there isn't a real rule for the orthography, you can also write: Guetä Morgä or something similar.)

japanese (as i am half japanese)

hello- konnichiwa, yo
good bye- sayonara, ja ne
thank you- arigatuo, doumo, in more polite way- doumo arigatou gozaimasu,

and two more extra:
you're welcome- douitashimashite.
nice to meet you- hajimemashite, yoroshiku onegai shimasu.

Persian

Hello:سلام(salaam)
goodbye:خداحافظ.خدانگهدار(khoda haafez,or Khoda negahdar)
Thank you:ممنون(mamnoon)or we say merci
good morning:صبح به خیر(sobh be kheyr)
goodnight:شب بخیر(shab be kheyr)

Hello: Ciao
Goodbye: Arrivederci
Thank you: Grazie
Nice to meet you: Felice di conoscerti
How are you: Come stai?

Chinese:
Hello:你好
goodbye:再见or拜拜
thank you：谢谢or谢谢你

French
Hello : Salut
Goodbye : Au revoir
Thank you : Merci

Hello= ciao
Goodbye= arrivederci
Thank you= grazie

(Italian).

hello: Vannakam in tamil
hello: aayubovan in sinhala
thankyou: nandri in tamil
thankyou: booma istuthi in sinhala.