The correctly spelt word: Moustache
Note:
i) Maintnance - "Maintenance" : the process of preserving or maintaining something, such as machinery, buildings, or systems.
ii) Medeval - "Medieval" : the period in European history between the fall of the Western Roman Empire and the Renaissance, typically dated from the 5th to the 15th century.
iii) Millenium - "Millennium" : a period of one thousand years or a celebration marking the completion of a thousand years.
iv) "Moustache" : facial hair that grows prominently on the upper lip. |