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Perkinperkiness
Perkinism
Perky
Perl
Perl profiler
perl-byacc
Perl5
Perlaceous
perleche
Perlid
Perlite
Perlitic
Perlous
Perlustration
perm
-- permafrost --
Permalloy
Permanable
Permanence
permanency
Permanent
Permanent gases
permanent injunction
permanent magnet
permanent press
permanent tooth
Permanent Virtual Circuit
Permanent Virtual Connection
permanent wave
Permanent way
Permanent white
permanent-press
permafrost
| Noun | 1. |  permafrost - ground that is permanently frozen |