This python program gives you auto complete suggestions of words just like command line.

word_auto_complete.py

import readline
import requests



class MyCompleter(object):  # Custom completer

    def __init__(self, options):
        self.options = sorted(options)

    def complete(self, text, state):
        text = text.lower()
        if state == 0:  # on first trigger, build possible matches
            if text:  # cache matches (entries that start with entered text)
                self.matches = [s for s in self.options
                                    if s and s.startswith(text)]
            else:  # no text entered, all matches possible
                self.matches = self.options[:]

        # return match indexed by state
        try:
            return self.matches[state]
        except IndexError:
            return None


url = 'https://raw.githubusercontent.com/dwyl/english-words/master/words_alpha.txt'
page = requests.get(url)
l=page.text.split()
print(len(l))
completer = MyCompleter(l)
readline.set_completer(completer.complete)
readline.parse_and_bind('tab: complete')

input = input("Input: ")
print("You entered", input)