Periodic-Sporadic | Commonly Confused Words
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Master confusing words with ease

Periodic vs. Sporadic

Periodic

/ˌpɪəriˈɒdɪk/
Occurring at regular intervals

Examples:

The report requires periodic updates for accuracy.Periodic maintenance prevents system failures.He programmed the heater to switch on at periodic intervals.

Synonyms:

Antonyms:

Sporadic

/spəˈrædɪk/
Occurring at irregular intervals or only in a few places; scattered or isolated.

Examples:

The power outages were sporadic throughout the storm.Wildflowers appeared sporadically in the barren field.He made sporadic attempts to learn a new language.

Synonyms:

Antonyms:

Ways to tell them apart:

etymology
  • Periodic implies a predictable or regular occurrence, like the ticking of a clock.
  • Sporadic suggests randomness and lack of predictability, like raindrops falling on a sunny day.
  • Think of periodic as being related to periods or intervals – consistent and planned.
  • Consider sporadic as something that happens in spots or bursts, without a set pattern.
  • If youre looking at a timetable, events that happen at regular intervals are periodic, whereas those that pop up unexpectedly are sporadic'.
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