brier (n.)

• adherent
• adhesive
• barnacle
• bramble
• bristle
• bulldog
• burr
• bush
• cactus
• catchweed
• cement
• cleavers
• decal
• decalcomania
• glue
• gunk
• leech
• limpet
• molasses
• mucilage
• needle
• nettle
• paste
• plaster
• prickle
• quill
• remora
• scrub
• shrub
• shrubbery
• spicule
• spiculum
• spike
• spikelet
• spine
• sticker
• syrup
• thistle
• thorn
• yucca