in·ter·tid·al 
(ĭn′tər-tīdl)
(ĭn′tər-tīdl)adj.
Of or being the region between the high tide mark and the low tide mark.
in′ter·tidal·ly adv.
- Frederick Law
- (Frederick) Louis
- Frederick Moore
- Fredericksburg
- Frederick the Great.
- Frederick the Great
- Frederick William
- Frederick William I
- Frederick William II
- Frederick William III
- Frederick William IV
- Frederick Winslow
- (Frederic) Ogden
- Fredericton
- Frederic William
- F(rederik) W(illem)
- free
- free agency
- free agent
- free-air correction
- free alongside ship
- free-associate
- free association
- freebase
- free-base