Our spaced repetition algorithm reviews words right before you forget them — paired with mnemonics that make each word click instantly.

Each word has a keyword derived from the word and a memory link that connects the keyword and the meaning.

For each word, we derive a keyword based on how the word sounds or is spelled.
From occlude we get OAK CLOUD - next time you see occlude you will be able to recollect OAK CLOUD because it is based on the word itself.

We form a memory link that connects the meaning of occlude and the keyword OAK CLOUD.
Once you visualise this, you will remember it.