Nucleus and Spark

Nucleus noun - A thing or place that is of greatest importance to an activity or interest.

Spark and nucleus are semantically related in core topic. In some cases you can use "Spark" instead a noun "Nucleus", when it comes to topics like start.

Nearby Words: nuclear, nucleic

Spark noun - A very small amount.

Nucleus and spark are semantically related in flash topic. Sometimes you can use "Nucleus" instead a noun "Spark", if it concerns topics such as start.

Nearby Words: sparkle, sparkling, sparked, sparkled, sparky