shortened vs telescoped

shortened and telescoped both are adjectives.

Word	Noun	Adjective	Verb	Adverb
shortened	No	Yes	No	No
telescoped	No	Yes	No	No

As adjectives, shortened and telescoped are synonyms defined as:

shortened and telescoped: shortened by or as if by means of parts that slide one within another or are crushed one into another

shortened (adjective)	telescoped (adjective)
with parts removed	shortened by or as if by means of parts that slide one within another or are crushed one into another
cut short in duration
shortened
shortened by or as if by means of parts that slide one within another or are crushed one into another