They're two different words. In Colombia, sheet is a piece of thin, rectangular fabric that is used to cover a mattress. Bedding element . It can also be a multi-page document printed on continuous or roll paper. Multi-page continuous paper strip. For its part, savannah is a topographical element that is characterized by being flat and of great extension and usually devoid of vegetation. Plain.
Savannah. It is handled in the terms of secondary level educational study. It is a large vertical document where data from each student is aggregated. My doubt is that if it is correct to be written without an accent. I searched for meanings and there are only two : one with an accent and one without an accent.
Savannah ( no tilde ) f in America, plain, especially if is very extensive and devoid of arboreal vegetation, i.e., with abundant grass and few trees. Savannah ( with tilde ) Part or canvas used as bedding: mattress is covered with the sheet below, and with the above cover the person who goes to sleep.