Antonyms of noun difference

1 of 5 senses of difference

Sense 1
difference -- (the quality of being unlike or dissimilar; "there are many differences between jazz and rock")
       Antonym of sameness (Sense 1)
      => sameness -- (the quality of being alike; "sameness of purpose kept them together")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun difference

5 senses of difference

Sense 1
difference -- (the quality of being unlike or dissimilar; "there are many differences between jazz and rock")
       => quality -- (an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare)

Sense 2
deviation, divergence, departure, difference -- (a variation that deviates from the standard or norm; "the deviation from the mean")
       => variation, fluctuation -- (an instance of change; the rate or magnitude of change)

Sense 3
dispute, difference, difference of opinion, conflict -- (a disagreement or argument about something important; "he had a dispute with his wife"; "there were irreconcilable differences"; "the familiar conflict between Republicans and Democrats")
       => disagreement -- (the speech act of disagreeing or arguing or disputing)

Sense 4
difference -- (a significant change; "the difference in her is amazing"; "his support made a real difference")
       => change -- (a relational difference between states; especially between states before and after some event; "he attributed the change to their marriage")

Sense 5
remainder, difference -- (the number that remains after subtraction; the number that when added to the subtrahend gives the minuend)
       => number -- (a concept of quantity involving zero and units; "every number has a unique position in the sequence")