percolation

noun 0.822

percolate

noun 0.707

percolator

noun 0.603

potential theory

noun 0.574

field theory

noun 0.551

complexity theory

noun 0.542

permeation

noun 0.537

systems theory

noun 0.531

theory

noun 0.524

recursion theory

noun 0.522

seepage

noun 0.514

particle theory

noun 0.510

permeability

noun 0.509

permeate

noun 0.509

hydrogeology

noun 0.507

soil physics

noun 0.505

permeameter

noun 0.505