numskull or numbskull/ʹnumskul/ noun

• landform
• landgirl
• landgrave
• landholder
• landing
• landing craft
• landing gear
• landing stage
• landing strip
• landlady
• land-line
• landlocked
• landlord
• landlubber
• landmark
• landmass
• landmine
• Land of Nod
• landowner
• land rail
• landscape
• landscape architect
• landscape gardener
• landside
• landslide