1 syllable:
-barred, ard, baard, bard, barde, barred, byard, card, carde, chard, charde, charred, gard, garde, garred, giard, gnarred, guard, hard, huard, jarred, lard, marred, nard, p-card, paard, parde, parred, phard, sarde, scard, scarred, shard, sparred, starred, suard, tarde, tarred, varde, vcard, waard, waarde, warred, yard, yarde, zwaard

2 syllables:
adguard, aircard, alard, amtgard, archard, armguard, arm guard, asgard, backyard, bankcard, bank card, bank guard, barnard, barnhard, barnyard, bedard, beghard, beguard, belgard, bellard, benard, berard, bernard, berrard, bestarred, bevard, billard, blackguard, blafard, blancard, blow-hard, blowhard, boatyard, boilard, bolyard, bombard, bombarde, boneyard, bongard, borchard, bossard, bouchard, boucharde, bouffard, bouffarde, bovard, boyard, bozard, brancard, brickyard, brocard, brochard, bromyard, brossard, brouillard, broussard, bunyard, burchard, burnard, busard, buzard, canard, cashcard, chainguard, charge card, chauffard, chocard, chouinard, churchyard, close-barred, co-starred, coast-guard, coastguard, cobarde, cocarde, costarred, couillard, coulthard, court card, crossbarred, crossguard, crowbarred, dai-guard, damgard, debarred, decard, deckard, deeryard, denard, dennard, dewaard, diehard, die hard, dillard, dinard, disbarred, discard, dockyard, dooryard, door guard, drawcard, drouillard, dungyard, e-card, eckard, eckhard, edvard, einhard, ekkehard, embarred, enguard, enlard, en garde, erard, esguard, face card, face guard, false-card, farmyard, fauchard, fayard, filecard, fireguard, fishguard, flashcard, flash card, foreyard, front yard, fugard, gabbard, gallard, garard, gaspard, geghard, gelbard, gerard, gerhard, gibbard, gillard, gilyard, ginyard, girard, giscard, glowbard, godard, gossard, graveyard, greencard, green card, grignard, grognard, grossbard, guerard, guichard, guinyard, guiscard, hillyard, hilyard, hole card, homard, hopyard, hortyard, hucard, icard, ill-starred, innyard, instarred, jackyard, jacquard, jarrard, junkyard, kailyard, kaleyard, keep guard, keycard, kirkyard, lazard, leaf lard, legard, lienhard, lifeguard, maillard, main yard, mansarde, marquard, mccard, meinhard, melgaard, menard, meteyard, milliarde, minard, mouchard, moutarde, mouthguard, mudguard, mulard, mullard, musard, newhard, newsguard, ni-hard, noseguard, notecard, np-hard, off-guard, off guard, old guard, on guard, outguard, panhard, phonecard, picard, piccard, pickard, pickguard, pockarred, postcard, poulard, punchcard, punched card, punch card, racecard, railcard, railyard, rear-guard, rearguard, regard, reinhard, renard, rennard, retard, revard, ricard, rocard, rock-hard, rope yard, rouillard, rutgard, safecard, safeguard, sauvegarde, schoolyard, scorecard, scotchgard, scrapyard, scratchcard, shinguard, shin guard, shipyard, show card, shurgard, side yard, sinyard, smartcard, sneezeguard, splash-guard, splashguard, square yard, stableyard, stack-guard, stackyard, stand guard, steelyard, stockyard, strike hard, studtgard, suchard, sungard, suscard, swiss chard, switchyard, tabard, tilt-yard, tiltyard, timecard, travelcard, trump card, unbarred, unguard, unscarred, unstarred, upcard, utgard, valeyard, vanguard, vuillard, waste-yard, wasteyard, watchguard, watch guard, whinyard, wild-card, wildcard, willyard, wirecard, wireguard, woodyard, zinecard

3 syllables:
advance-guard, afterguard, agobard, appleyard, avant-garde, avant-guard, avantgarde, avant garde, banlieusard, barclaycard, baseball card, battle-scarred, beauregard, bellegarde, birthday card, blvd, boarding card, body-guard, bodyguard, body guard, boulevard, bumper guard, business card, cabochard, calling card, campagnard, castle-guard, cattleguard, charliecard, chicken yard, christmas card, circuit card, colombard, color guard, compass card, counterguard, credit-card, creditcard, credit card, crossing guard, cubic yard, datacard, daughtercard, ddos-guard, disregard, drakengard, drawing card, easter card, engelhard, eurocard, expresscard, finn wolfhard, fond regard, gaming card, get-well card, greeting card, hildegard, hildegarde, hlinka guard, honor guard, hypercard, isengard, isracard, julliard, k-svd, langobard, leather-hard, leotard, lettercard, longobard, lumberyard, mailing-card, mastercard, metacard, metrocard, microcard, misregard, mocvd, molly-guard, moneycard, montagnard, navy yard, no-holds-barred, off her guard, off his guard, off one's guard, off your guard, on one's guard, on your guard, overcard, overgaard, passegarde, paysafecard, pericard, picture card, playing card, postal card, prison guard, provost guard, railway yard, ration card, report card, saint bernard, scotland yard, self-regard, semihard, st bernard, telecard, telengard, timberyard, tonocard, trading card, undercard, undersparred, union card, vieillard, waldegard, westergaard, yellow-card, yellowcard

4 syllables:
adenocard, alain bernard, borrower's card, camelopard, colichemarde, david coulthard, field of regard, jean-luc godard, library card, membership card, national guard, naval shipyard, new scotland yard, penalty card, picture postcard, sympathy card, tulsi gabbard, upon one's guard, videocard, visiting card

5 syllables:
identity card, live free or die hard, picture-postcard, praetorian guard, security guard, yeoman of the guard

6 syllables:
amazon lumberyard, a good day to die hard, hitman's wife's bodyguard, multimediacard, the hitman's bodyguard