- permanent data
- permanent debt
- permanent deflection
- permanent deformation
- permanent dentition
- permanent difference
- permanent differences
- permanent dipole
- permanent disablement
- permanent discounting
- permanent displacement
- permanent echo
- permanent electrode
- permanent elongation
- permanent error
- permanent fastening
- permanent fault
- permanent field
- permanent file
- permanent financing
- permanent flow
- permanent form
- permanent formwork
- permanent foundation
- permanent gas
- permanent gauge
- permanent glow
- permanent hardness
- permanent investment
- permanent job
- permanent joint
- permanent load
- permanent lubrication
- permanent magnet
- permanent magnetism
- permanent memory
- permanent mesh
- permanent migration
- permanent mold
- permanent mould
- permanent noise
- permanent object
- permanent operation
- permanent output
- permanent personnel
- permanent population
- permanent position
- permanent precipitation
- permanent property
- permanent repair
- permanent representative
- permanent residence
- permanent resources
- permanent runoff
- permanent sash
- permanent saving
- permanent securing
- permanent set
- permanent shuttering
- permanent sound
- permanent storage
- permanent strain
- permanent stress
- permanent structure
- permanent support
- permanent transfer
- permanent unemployment
- permanent variable
- permanent wave
- permanent way
- permanent wear
- permanent work
- permanently
- permanganate
- permanganic
- permeability
- permeability apparatus
- permeability coefficient
- permeability curve
- permeability log
- permeability logging
- permeability measurement
- permeability range
- permeability test
- permeable
- permeable bed
- permeable ground
- permeable groyne
- permeable joint
- permeable rock
- permeable strata
- permeameter
- permeance
- permeance coefficient
- permease
- permeate
- permeation
- permeator
- permenganic
- permian