The /g/ sound is spelled with <g> or <gg>, and we also see <gh> in ghost. The /r/ sound is spelled <r>, <rr> or <wr> in wrong.
The contrast is between a velar stop and an alveolar continuant, both voiced. It does not cause any problems.
The only taboo word pair is bugger/borough.
Intersting pairs include:
begetter biretta
fuggier furrier
gibbon ribbon
The mean density value is 1.4%. The list makes 92 semantic distinctions, a loading of 47%.
auger aura augers auras baggy Barry begetter biretta begetters birettas bugger borough buggers boroughs conjugation conjuration conjugations conjurations engage enrage engaged enraged engages enrages engaging enraging fuggier furrier gabble rabble gabbles rabbles Gael rail Gaels rails gale rail gales rails gag rag gagged ragged gagging ragging gags rags gage rage gaged raged gages rages gaging raging gain rain gained rained gaining raining gains rains gain rein gained reined gaining reining gains reins gain reign gained eigned gaining reigning gains reigns gait rate gaits rates galley rally galleys rallies gamble ramble gambled rambled gambles rambles gambling rambling gambler rambler gamblers ramblers gamp ramp gamps ramps gangling wrangling gap rap gaps raps gape rape gaped raped gapes rapes gaping raping gash rash gashes rashes gasp rasp gasped rasped gasping rasping gasps rasps gate rate gates rates gated rated gating rating gat rat gaud roared gauge rage gauges rages gauging raging gauged raged gauze roars gave rave gay ray gays rays gays raise gaze raise gazed raised gazes raises gazing raising gaze rays gear rear geared reared gearing rearing gears rears get ret getting retting ghat wrought ghee re Ghent rent ghost roast ghosted roasted ghosting roasting ghosts roasts ghoul rule ghouls rules gibbon ribbon gibbons ribbons gift rift gifts rifts gig rig gigs rigs giggle wriggle giggled wriggled giggles wriggles giggling wriggling gill Rhyl giver river givers rivers go roe go row goes rows going rowing goad road goads roads goad rowed goal rôle goals rôles goal roll goals rolls goat rote gob rob gobs robs god rod gods rods goes rose gold rolled gone Ron gong wrong gonged wronged gonging wronging gongs wrongs goo rue goof roof goofed roofed goofing roofing goofs roofs Goole rule goon rune goons runes gore raw gore roar gores roars goring roaring gored roared got rot gout rout gowned round guessed rest guest rest guests rests guide ride guides rides guiding riding guile rile guise rise guises rises gum rum gummy rummy gun run gunning running guns runs gunner runner gunners runners gunny runny gunwale runnel gunwales runnels gush rush gushes rushes gushing rushing gushed rushed gusset russet gussets russets gust rust gusts rusts gusted rusted gusting rusting gusty rusty gustier rustier gustiest rustiest gut rut guts ruts gutted rutted gutting rutting guy rye guy wry guys rise Maggie marry Peggy perry soggy sorry soggier sorrier soggiest sorriest
John Higgins, Shaftesbury, October 2010.