Instead of hello you can you hi and hello Instead of goodbye you can just say bye or if you plan on talking to them later you can say talk to you later (ttyl)
Hello = shalom (שלום) I'm not sure what other words are "like hello".
Hello in Bengali is pronounced as "হ্যালো" (pronounced as "Hello").
hello
a an
you can use hello, howdy and so on
a or an
rather, preferably, alternately
Salutations, felicitations, good day, and howdy. See related link below.
Enter, Hello, Salute or greetings. you could combine words to mean welcome, greetings and salutations.
Like
two