This is what I'm talking about. I tried to get a screen capture from my tablet, but it didn't work out, so I got a screen capture from a YouTube video on my Desktop.
As he types a word, a boxed list of anticipated words appear below the word he is typing. You can click on a word from the list to select it. This feature is turned on in Word 2013 in my tablet, but not in Word 2013 on my desktop. It's also not turned on in the tablet of the person I'm trying to help. I can't find any info on how to turn it on or off after hours of Googleing.
This can be seen in the video for a few seconds at around 8:49:
Dell Venue 8 Pro Windows tablet review - YouTube