What's the difference between inbreak and irruption?

Inbreak

Definition:

Example Sentences:

Definition:

(n.) A bursting in; a sudden, violent rushing into a place; as, irruptions of the sea.
(n.) A sudden and violent inroad, or entrance of invaders; as, the irruptions of the Goths into Italy.

Example Sentences:

(1) The author relates peculiarities of epidemical irruption of the Tegument Leishmaniasis, occurred in the Ribeira Valley, São Paulo State, Brazil, in 1978.
(2) It has been fifteen years since Kohut's clinical discoveries irrupted into psychoanalytic thinking and aroused enthusiastic and favourable responses as well as massive rejection.
(3) They illustrate an irruption of stimuli through the protective shield (Reizschutz) of the analytic field, initiated by the patient and the analyst respectively.
(4) The work is divided into three parts: I--Geographical and ecological aspects of the place where the irruption occurred; II--A concise review of the clinic-epidemiological characteristics of the tegumental leishmaniasis; III--Informations on epidemic level about the epidemical irruption and the setting of the subject in order to debate the probable causes of the event.
(5) The sensational irruption of Guy Burgess, either on the telephone or in person, became a bizarre rite of passage for the English visitor to Soviet Moscow.