\begin{matrix}
\text{fallingdotseq} & \fallingdotseq \\
\text{fcy} & f \\
\text{Fcy} & F \\
\text{female} & \\
\text{ffilig} & ffi \\
\text{fflig} & ff \\
\text{ffllig} & ffl \\
\text{ffr} & \mathfrak{f} \\
\text{Ffr} & \mathfrak{F} \\
\text{filig} & fi \\
\text{FilledSmallSquare} & \blacksquare \\
\text{FilledVerySmallSquare} & \\
\text{fjlig} & \operatorname{fj} \\
\text{flat} & \flat \\
\text{fllig} & fl \\
\text{fltns} & \\
\text{fnof} & f \\
\text{fopf} & \mathbb{f} \\
\text{Fopf} & \mathbb{F} \\
\text{forall} & \forall \\
\text{ForAll} & \forall \\
\text{fork} & \pitchfork \\
\text{forkv} & \\
\text{Fouriertrf} & \mathcal{F} \\
\text{fpartint} & \\
\text{frac12} & 1/2 \\
\text{frac13} & \\
\text{frac14} & 1/4 \\
\text{frac15} & \\
\text{frac16} & \\
\text{frac18} & \\
\text{frac23} & \\
\text{frac25} & \\
\text{frac34} & 3/4 \\
\text{frac35} & \\
\text{frac38} & \\
\text{frac45} & \\
\text{frac56} & \\
\text{frac58} & \\
\text{frac78} & \\
\text{frown} & \frown \\
\text{fscr} & \mathcal{f} \\
\text{Fscr} & \mathcal{F} \\
\end{matrix}
