13-Letter Words Containing: A,E,E,F,F,I,N

• evergreen perennial herbs of tropical America with lush foliage and poisonous sap; often cultivated as houseplants

• European breed of small dog resembling a terrier with dark wiry hair and a tufted muzzle

• in an ineffectual manner

• remove caffeine from (coffee)

• the act of implementing (providing a practical means for accomplishing something); carrying into effect

• mark as different

• be a distinctive feature, attribute, or trait; sometimes in a very positive sense

• calculate a derivative; take the derivative

• become different during development

• evolve so as to lead to a new species or develop in a way most suited to the environment

• become distinct and acquire a different character

• To reforest.