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Synonyms for Common (same or very similar meaning)

WordNet sense 1 (a piece of open land for recreational use in an urban area):
commons, green, park

WordNet sense 2 (of low or inferior quality or value):
coarse

WordNet sense 3 (of low or inferior quality):
inferior

WordNet sense 4 (common to or shared by two or more parties):
mutual

WordNet sense 5 (have in common; held or experienced in common):
shared

WordNet sense 6 (lacking refinement or cultivation or taste):
uncouth, vulgar, rough-cut

WordNet sense 7 ((used of persons and their behavior) not refined; uncouth):
unrefined

WordNet sense 8 (not exceptional in any way especially in quality or ability or size or degree):
ordinary

WordNet sense 9 (of or associated with the great masses of people):
plebeian, unwashed

WordNet sense 10 (of humble birth or origins):
lowborn

WordNet sense 11 (being or characteristic of or appropriate to everyday language):
vernacular

WordNet sense 12 (used of spoken and written language):
informal

WordNet sense 13 (commonly encountered):
usual

WordNet sense 14 (within normal everyday experience; common and ordinary; not strange):
familiar

WordNet sense 15 (affecting the people or community as a whole):
public

WordNet sense 16 (for or by a group rather than individuals):
communal

WordNet sense 17 (commonly used or supplied):
standard

WordNet sense 18 (prevailing among and common to the general public):
general

WordNet sense 19 (frequently encountered):
frequent, frequent

WordNet sense 20 (representing or appealing to or adapted for the benefit of the people at large):
popular


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