Words to Describe keys

How keys often is described ("________ keys")

• extra
• distinct
• private
• golden
• secondary
• hot
• wooden
• shared
• bit
• white
• various
• taxonomic
• several
• surrogate
• spare
• rusty
• wrong
• foreign
• flat
• primary
• duplicate
• additional
• identical
• right
• minor
• appropriate
• black
• yellow
• public
• corresponding
• symmetric
• asymmetric
• shear
• dichotomous
• arrow
• sort
• remote
• separate
• modifier
• adjacent
• cryptographic
• related
• composite
• following
• possible
• correct
• round
• alphanumeric
• weak
• secret
• different
• unique
• special
• numeric
• major
• false
• soft
• standard
• sharp
• random
• alternate
• multiple