Difference between Hello and Hi

HELLO vs HI: NOUN

Used to greet someone, answer the telephone, or express surprise.
An exclamation used as a greeting, to call attention, as an exclamation of surprise, or to encourage one. This variant of halloo and holloo has become the dominant form. In the United States, it is the most common greeting used in answering a telephone.
A greeting (salutation) said when meeting someone or acknowledging someone’s arrival or presence.
A greeting used when answering the telephone.
A call for response if it is not clear if anyone is present or listening, or if a telephone conversation may have been disconnected.
An expression of puzzlement or discovery.
Used sarcastically to imply that the person addressed or referred to has done something the speaker or writer considers to be foolish.

An exclamation designed to attract the attention of a person at a distance; also, a mere greeting between persons meeting.

Yes, Greetings, Hallo, Hey, Cheerio, Hola, Bonjour, Ciao, Greeting, Goodnight, Goodbye, How do you do, Hullo, Howdy, Hi

Helix, Dad, Goodbye, Aloha, Yes, Greetings, Jim, Rba, Kang, Adhd, Ik, How do you do, Howdy, Hullo, Hello

Holla, Salutation, Whatcha, Hiya, Yes, Greetings, Hallo, Hey, Hola, Greeting, Goodnight, Goodbye, How do you do, Hullo, Howdy

Jim, Hey, Helix, Greetings, Goodbye, David, Dad, Bye, Aloha, Kang, Adhd, How do you do, Howdy, Hullo, Hello

Hello, I combine so many times by request.
Hierome Charlotte Chandler Hello, I must be going Tag image file format Lianne Dalziel Hello, I Must Be Going!
An LSR maintains a hold timer with each Hello adjacency that it restarts when it receives a Hello that matches the adjacency.
Hello Cain Cool Letter from Cain PTO President: Hello Cain Cool Cats!
Windows Hello face authentication, and a supported fingerprint reader is required for Windows Hello fingerprint authentication.
Common Hello Parameters TLV Specifies parameters common to all Hello messages.
Say hello to Liberty and say hello to an Easy Advance.
The Hello Protocol The Hello Protocol is responsible for establishing and maintaining neighbor relationships.
You also need to download the following fonts from Jen Jones, Hello Sunshine and Hello Poppin Tags!
If not, it creates a Hello adjacency for the Hello source and starts its hold timer.

Hi, thank you very much for your feedback!
Hi RINA, hindi pa active ang atm pagkabigay.
Hi Fhemie, I think it would raise questions.
Set Wind Alerts The weather station provides the option to set Wind Speed Hi alert and Wind Gust Hi alert.
Of HI Ltd, First Security Insurance Of HI Inc, Galway Insurance Co.
Hi criticis o th foresemble tha o Philint i hi attac o Le Misanthrope.
The Trustees project that HI tax income and other dedicated revenues will fall short of HI expenditures in all future years.
Expenditures The HI trust fund pays expenditures for HI benefit payments and administrative expenses.
Hi just want to say hi if you dont mind?
Hi, hi, hi there, my Pee and Em.