What is a word you'd use to describe someone who doesn't understand certain concepts?

I need someone to give me a link to an online tool that counts how many times a certain word appears in a peice of writting. ...

can you please give me the word commendation used in a sentence no l8r than today its for my homework!!!

What word would I use in the blank? she gradually became a___ by staying in the house and not receing visitors.

If two words could describe you what would they be?

I'm always saying "You know what I mean" or "What you 'avin" t ask about that one lol its an inside joke :D Whats yours?

'all of which were covert from sight'... I've never used the word 'covert' before so I am not sure how to use it in context...

How do you use these words in sentences? instigate,depreciate,prudense,ravage, coveted thank you

I need to to find out how to make an acrostic poem uing the wrd element

Well I been trying figure words that start with q-v-w-x-y-z that describe a person in nice quality .. Thanks in advance

What's another way to say "a person who never gives up? Isn't there one word that I could use? Thx