Words to Describe nonlinearities

How nonlinearities often is described ("________ nonlinearities")

• spatial
• such
• resonant
• molecular
• electronic
• essential
• valued
• material
• simple
• incidental
• substantial
• type
• various
• hard
• constitutive
• pronounced
• sigmoidal
• potential
• intentional
• aerodynamic
• inherent
• strong
• degree
• higher
• common
• small
• excitonic
• physical
• additional
• polynomial
• mild
• important
• unknown
• minor
• observed
• gross
• mechanical
• enhanced
• fiber
• intrinsic
• cubic
• induced
• geometrical
• optical
• smooth
• memoryless
• extreme
• nonresonant
• odd
• refractive
• slight
• larger
• static
• possible
• dominant
• typical
• discontinuous
• unavoidable
• large
• structural
• continuous
• weak
• geometric
• complicated
• dynamic
• significant
• severe
• quadratic
• thermal
• gradient
• soft
• local
• dependent
• complex
• amplifier
• multiple
• magnetic