Looking for simplified forms of traditional Chinese characters

"Wei" is written as "Xi", which is suspected to be the traditional alternative writing of "Wei".

Source: Chinese Dictionary 2 Painting 14, Ministry of Water Resources.

There is a similar word in extension B, which cannot be displayed on the web page. Words and sounds are shown in the picture.

Source: Chinese Dictionary 2 Painting 18, Ministry of Water Resources.

Source: 10 Chapter Painting of Chinese Dictionary 2.