What's the difference between countryman and paisano?

Countryman

Definition:

(n.) An inhabitant or native of a region.
(n.) One born in the same country with another; a compatriot; -- used with a possessive pronoun.
(n.) One who dwells in the country, as distinguished from a townsman or an inhabitant of a city; a rustic; a husbandman or farmer.

Example Sentences:

(1) Miliband said he had been "right" to raise the past record of MEP Michał Kamiński despite the insistence of Poland's chief rabbi that his countryman was not antisemitic, despite his "problematic" past.
(2) Thomas Countryman, former US acting undersecretary for arms control and international security, commented: “It’s an indication of how rapidly our standards are falling when we’re reasonably pleased that President Trump has not made an obvious error.” Pre-meeting hype had focused on whether Trump would confront Putin over Russia’s interference in the US election.
(3) The resident EBV genome was simultaneously induced to replicate by using a cotransfected expression plasmid for the EBV immediate-early transactivator, Z (J. Countryman, H. Jenson, R. Seibl, H. Wolf, and G. Miller, J. Virol.
(4) The late Peter Porter called his fellow countryman "the custodian of Australia's soul".
(5) Waterford Crystal itself, set up in 1947 by the Czech emigré Karel Bacik, became an astonishing success, pushed along by the design skills of his fellow countryman "Paddy" [Miroslav] Havel .
(6) While Fiorentina’s Juan Cuadrado is not thought to be high on Van Gaal’s list, the Ajax midfielder Daley Blind, is on the manager’s radar, along with countryman Stefan de Vrij, the Feyenoord defender, and Arsenal’s Thomas Vermaelen, though it is not thought any deal for him would currently involve a United player in part-exchange with Arsenal.
(7) Sinclair is now at Villa , Rodwell at Sunderland and their countryman James Milner has left City for Liverpool .
(8) Trump had accepted Putin’s assurances, Countryman said: “It certainly was the minimum that any US president should have done in this situation.
(9) Garcès will take charge of Saturday’s clash between South Africa and New Zealand, with his countryman Romain Poite and Ireland’s John Lacey appointed as assistant referees.
(10) In the 1960s he lived mostly in Europe, especially Paris, where he met and mixed with other writers, from his fellow countryman Octavio Paz to the Cuban Alejo Carpentier and the Argentinian Julio Cortázar.
(11) Scott, a farmer and countryside campaigner, is better known co-presenter of the BBC2 series Clarissa and the Countryman with Clarissa Dickson Wright.
(12) There was even a joke with his countryman, William Shatner, about signs of life on the blue planet below.
(13) You look at the new Mini – the new Mini came out and then there were two or three different engine variants but now there is the Mini convertible, the Mini Countryman, the Mini which is bigger.
(14) I want to enjoy this win but I will fight anyone.” Groves’ previous two losses in world title fights came to countryman Carl Froch.
(15) So he sold his British racing green Speedster and bought the sensible Countryman model, the one with two creaky back doors.
(16) In September, launching the consultation, Paice said: "As a countryman my view is that free shooting would, in most cases, be by far the most effective option."
(17) Micronuclei (MN) were scored according to Countryman's standard, and 2000 interphase was observed in each subject of CVMN frequency.
(18) When the minister for the natural environment and fisheries, Richard Benyon , last week posted a picture on Facebook of himself bravely pulling up a ragwort plant while being watched by a quizzical cow, he probably thought the image of a true countryman being tough on weeds would go down well with the voters.
(19) While Ross could not sue for libel across the Atlantic, his threatened action for libel forced the publisher of the British edition of Microbe Hunters to delete the chapter about Ross and one about David Bruce, Ross's countryman.
(20) But she is not getting the ultimate accolade – granted to Nelson Mandela, Aung San Suu Kyi, Barack Obama, or her countryman Pope Benedict – of giving a joint address in Westminster Hall.