What's the difference between patchwork and pitchwork?

Patchwork

Definition:

(n.) Work composed of pieces sewed together, esp. pieces of various colors and figures; hence, anything put together of incongruous or ill-adapted parts; something irregularly clumsily composed; a thing putched up.

Example Sentences:

(1) But this is how we live even before we are forced, through penury to claim: fine dining on stewed leftovers, nursing our one drink on those rare social events, cutting our own hair, patchwork-darned clothes and leaky shoes.
(2) They have evolved as a patchwork of other types of institutions and as yet have no clear value system of their own.
(3) Wearing a white dress, black jacket and patent leather sandals, and clutching her mobile phone and keys, she could be on her way to an office in one of the capital's new skyscrapers, instead of walking past a patchwork of bean and sweet potato fields en route to the village's tin-roofed administration offices.
(4) A failure of the EU ETS would distort the internal market with the emergence of a patchwork of 27 different energy and climate measures ranging from regulations to taxation."
(5) It was found that the sequence variants within the locus are in a "patchwork" arrangement.
(6) Horizontal and vertical stripes were combined in the test pattern in three different ways: (1) overlapping with a luminance combination that gave rise to a perception of transparent overlays of horizontal and vertical stripes (valid transparency condition), (2) overlapping with luminance combinations that did not induce a perception of transparency (invalid transparency condition) and that appeared more as a patchwork of checks, and (3) presented in adjacent, nonoverlapping areas.
(7) Analysts say the continent must consolidate its patchwork of small countries and 30 overlapping trade blocs into a single huge market.
(8) So too the patchwork of traditional and sometimes dying rural practices he has long campaigned to highlight and save.
(9) The 1911 National Insurance Act embraced compulsory tripartite contributions from employee, employer and the state for the first time, but targeted the poorest for unemployment and (means-tested) pensions through a patchwork of voluntary and state agencies.
(10) The statutes are a confusing patchwork of conflicting and sexually biased laws.
(11) Only by developing a comprehensive stress-accident model will comprehensive and workable accident prevention programs be developed to replace the current patchwork of existing programs.
(12) The result was sharply tailored trousers and dresses created from blocks of colour with a patchwork of panels and chiffon butterfly prints.
(13) In September, Amnesty published an 82-page report – Northern Ireland: Time to deal with the past – claiming that the previous patchwork system of investigations into past Troubles crimes has proven inadequate for the task of establishing the full truth about human rights violations and abuses committed by all sides during the three decades of political violence.
(14) The map reveals that Y-chromosomal genes are scattered among a patchwork of X-homologous, Y-specific repetitive, and single-copy DNA sequences.
(15) As an alternative to the confusing patchwork that often characterizes child and adolescent mental health care, the mental health program of a children's social welfare agency offers a continuum of inpatient and outpatient services on one campus.
(16) Now these familiarly distinctive political regions will be joined by the battle in the east between the Tories and Ukip, and in Scotland between Labour and the Scottish National party, as well as a patchwork of others.
(17) While the south and west sides of the city contain some of the neighborhoods most starved for healthy foods, they also are home to at least a dozen urban agricultural businesses – Patchwork City Farms and Atwood Community Gardens, for instance.
(18) No genuinely all-Scotland quality paper ever emerged from this patchwork, but the Herald out of Glasgow and the Scotsman from Edinburgh became, together with the Irish Times and for a while the Yorkshire Post , the finest newspapers published in these islands outside London.
(19) One can see why Farrell objects to the term, although upon investigation I discover that the offender was German, and that the phrase "patchwork family" carries no negative connotations in his native tongue.
(20) As you enter through the heavy cast iron doors, turn left and you'll find a small museum area – where you can consume the Pierhead's patchwork history in a video.