underturn

As a noun terms

is .

As a verb underturn is

(obsolete) to turn upside down; subvert; upset.

In obsolete|lang=en terms the difference between underturn and underburn

is that underturn is (obsolete) to turn upside down; subvert; upset while underburn is (obsolete) to burn up.

As verbs the difference between underturn and underburn

is that underturn is (obsolete) to turn upside down; subvert; upset while underburn is (obsolete) to burn up.

As a noun underburn is

the deliberate burning of surface fuel so as to leave the tree canopy intact.

In obsolete|lang=en terms the difference between upset and underturn

is that upset is (obsolete) to set up; to put upright while underturn is (obsolete) to turn upside down; subvert; upset.

As verbs the difference between upset and underturn

is that upset is to make (a person) angry, distressed, or unhappy while underturn is (obsolete) to turn upside down; subvert; upset.

As an adjective upset

is (of a person) angry, distressed or unhappy.

As a noun upset

is (uncountable) disturbance or disruption.

As verbs the difference between subvert and underturn

is that subvert is to overturn from the foundation; to overthrow; to ruin utterly while underturn is (obsolete) to turn upside down; subvert; upset.

As a noun subvert

is an advertisement created by subvertising.