interspike

As a noun graph

is graph or graph can be a symbol as the smallest unit in a text which has not yet been classified as a grapheme.

As an adjective interspike is

between spikes on a graph.

As a noun spike

is an ear of corn or grain.

As a verb spike

is to fix on a spike; to pierce or run through with a spike.

As a proper noun Spike

is A male nickname.

As an adjective interspike is

between spikes on a graph.