14-Letter Words Containing: I,F,F,E,D

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

• A device that uses diffraction (especially X-ray diffraction) to investigate the structure of matter.

• in a differential manner

• The doctrine that all religions are equally valid.

• (more broadly) Relativism, agnosticism; apathy, indifference.

• An expression of such a doctrine or view.

• The doctrine of absolute identity, i.e. that to be in thought and to exist are one and the same thing.

• possessing a differential coefficient or derivative

• capable of being perceived as different

• made different (especially in the course of development) or shown to be different

• exhibiting biological specialization; adapted during development to a specific function or environment