11-Letter Words Containing: T,I,F,F

• in an effective manner

• in actuality or reality or fact

• power to be effective; the quality of being able to bring about an effect

• the aggregation of things (pedestrians or vehicles) coming and going in a particular locality during a specified period of time

• buying and selling; especially illicit trade

• the amount of activity over a communication system during a given period of time

• social or verbal interchange (usually followed by `with')

• deal illegally

• trade or deal a commodity

• used as intensifiers

• formation of a word by means of a suffix

• the result of adding an affix to a root word

• formation of a word by means of an affix

• the act of attaching or affixing something

• A tendency to diffuse

• A coefficient of diffusion; especially the amount of heat that passes through a given area in unit time

• With difficulty; not easily.