fangs - Long, pointed teeth used by animals especially snakes, spiders, or carnivores to bite and sometimes inject venom.
feasible - Reasonable or likely to work effectively.
fascinating - Extremely interesting or captivating.
eyesore - Something that is very ugly or unpleasant to look at.
façade - A superficial or false appearance meant to deceive or mislead others.
fantastic - Extremely good or excellent; wonderful.
faction - A small, organized group within a larger group, especially one with differing opinions or interests.
exuberance - An overflowing abundance of enthusiasm or joy.
fawning - Acting overly eager to please someone, especially someone in power.
fairytale - A children's story about magical and imaginary beings and lands; or something that is too good to be true or seems unreal.
fade - To gradually lose brightness, color, or strength.
feedback - Information or opinions about how well someone is doing something, used for improvement.