The font effect used in the word "various" is not specified in the provided information.
The font effect used in the word "various" in the first paragraph is not specifically mentioned in the provided information. However, the information does mention the varying thicknesses of letterforms and the concept of serifed and sans-serif typefaces.
It is possible that the font used for the word "various" has a decorative quality due to its varying thickness or it could be a sans-serif typeface which tends to feel more modern. Without further information, it is difficult to determine the exact font effect used in the word "various".