Mahou

mahou: (1) magic (2) sorcery

魔法 -- n.

Hint: Have you ever heard Mahou Shoujo Lyrical Nanoha or
Mahou Sensei Negima? Both are using the same kanji of 'mahou'. So I think, you can already guess the meaning.

Matsu, matte, matteiru, machimasu

matsu: (1) wait (2) to wait (3) to look forward to…

待つ — v.

Transformation:
- matte-- v-te
- matteiru -- v-teiru
- machimasu -- v-masu

Example of use: 

• Chotto matte! - wait a second!
• Koko ni matteimasu. - I am waiting here