MSWordThesauru

1) Open a new WORD D0cument and type the words "love her"
2) Highlight the w0rds "love her" and then press shift + F7
L0ok what Microsoft WORD says to replace with....!
3) N0w choose replace button.
4) N0w again highlight the phrase again and press shift + F7
See y0urself what it says...?

??? what kind 0f algorithm do they use???