An accent over math, as LaTeX writes it:
"hat"
\hat
\widehat
"check"
\check
"tilde"
\tilde
\widetilde
"acute"
\acute
"grave"
\grave
"dot"
\dot
"doubleDot"
\ddot
"tripleDot"
\dddot
"breve"
\breve
"bar"
\bar
"ring"
\mathring
"rightArrow"
\vec
\overrightarrow
"leftArrow"
\overleftarrow
"leftRightArrow"
\overleftrightarrow
"rightHarpoon"
\overrightharpoon
"leftHarpoon"
\overleftharpoon
An accent over math, as LaTeX writes it:
"hat": x̂,\hatand\widehat;"check": x̌,\check;"tilde": x̃,\tildeand\widetilde;"acute": x́,\acute;"grave": x̀,\grave;"dot": ẋ,\dot;"doubleDot": ẍ,\ddot;"tripleDot": x⃛,\dddot;"breve": x̆,\breve;"bar": x̅,\bar;"ring": x̊,\mathring;"rightArrow": x⃗,\vecand\overrightarrow;"leftArrow": x⃖,\overleftarrow;"leftRightArrow": x⃡,\overleftrightarrow;"rightHarpoon": x⃑,\overrightharpoon;"leftHarpoon": x⃐,\overleftharpoon.