KEY: Serene.
SYN: Clear, calm, unruffled, undisturbed, halcyonic.
ANT: Turbid, stormy, agitated, tempestuous, ruffled.

• Figure
• Filch, [See CABBAGE]
• File
• Filiation, [See AFFILIATION]
• Fill
• filler
• Filter
• Filthy
• Filtration, [See FILTER]
• Fimbriated
• final
• Finality, [See FINAL]
• Find
• Fine
• Finery
• Finical
• Finish
• Finished
• Finite
• Fire, [See FIERY]
• Firm
• First
• Fit
• Fitful
• Fitness, [See FIT]