More "Hat/Cattle" materials (some per GFH)

helot 

hatchet 

half-wit

habit 

Hamlet

hamlet 

high-hat 

height

hot

haut

hut

hoot

hurt

hint

Hants

Holt

host

hunt

haste

Hearst

haft

heft

hart

'hast'

Hecht

heat

hilt

hint

hoist

Hoyt

catch-all 

Katzenjammer kids

catamaran

Katmandu

Catskills

catnip

catnap

curdle

cordial

All hat and no atelier

All hat and no cabal
All hat and no cackle
All hat and no catapult
All hat and no catcall
All hat and no cachalots
All hat and no cachet
All hat and no cadaver
All hat and no cakes and ale
All hat and no campanile
All hat and no can do
All hat and no canticle
All hat and no Cantinflas
All hat and no captives
All hat and no castle
All hat and no casuistry
All hat and no Cat at All
All hat and no catafalque
All hat and no cataleptic
All hat and no Catalhoyuk
All hat and no Catalonia
All hat and no catapult
“All Hat and No Kettle”
All hat and no catcall
All hat and no caterpillar
All hat and no Cathay
All hat and no Catland
All hat and no Cattle of the Sun
All hat and no cattle prod
All hat and no chasuble
All hat and no chattel
All hat and no cuttlefish
All hat and no gaggle
All hat and no kettle
All hat and no kleagle
All hat and no Quetzalcoatl
All hat and no tattle
All hats and no capitals
All hats and no caput