As adjectives the difference between sensitive and undersensitive

is that sensitive is having the faculty of sensation; pertaining to the senses while undersensitive is insufficiently sensitive.

As a noun sensitive

is one with a paranormal sensitivity to something that most cannot perceive.

As nouns the difference between plastron and undershell

is that plastron is plastron while undershell is the plastron of a turtle or tortoise.

As a proper noun turtle

is a river in saskatchewan, canada.

As a noun undershell is

the plastron of a turtle or tortoise.

As nouns the difference between tortoise and undershell

is that tortoise is any of various land-dwelling reptiles, of family testudinidae , whose body is enclosed in a shell (carapace plus plastron) the animal can withdraw its head and four legs partially into the shell, providing some protection from predators while undershell is the plastron of a turtle or tortoise.

As adjectives the difference between wonderful and superfabulous

is that wonderful is tending to excite wonder; surprising, extraordinary while superfabulous is (informal) very fabulous; great, fantastic, wonderful.

As verbs the difference between chalk and rechalk

is that chalk is to apply chalk to anything, such as the tip of a billiard cue while rechalk is to chalk again or anew.

As a noun chalk

is (uncountable) a soft, white, powdery limestone.

As a verb decongest

is to free from congestion.

As an adjective decongestive is

serving to decongest.

As an adjective perennial

is lasting or remaining active throughout the year, or all the time.

As a noun perennial

is a perennial plant; a plant that is active throughout the year or survives for more than two growing seasons compare (annual), (biennial).

As a verb perennialize is

(botany|intransitive) to return year after year as a perennial.

As a verb publicize

is an alternative spelling of lang=en.

As an adjective publicizable is

capable of, or suitable for, being publicized.

As verbs the difference between rewinded and rewound

is that rewinded is rewound while rewound is past tense of rewind.