Do you know about flashcards for learning words?
So this is super-boring.
Moreover, it is inefficient.

Our brain associates a word and a visual image.
We learned the first language in this way - they showed us an object and said the word that this object means.

Less letters, more images.

I think that by repeating words from this application for 10 minutes, you will remember all the words in a week without straining.

The surest way to learn something is this:
Less cramming - more repetition.
Less words - more images.