凸凹 (でこぼこ)unevenness; roughness; ruggedness

unevenness; roughness; ruggednessnoun (common) (futsuumeishi), nouns which may take the genitive case particle 'no'
inequality; imbalance; unevennessnoun (common) (futsuumeishi), nouns which may take the genitive case particle 'no'

凸凹, its kanji, and other words that share them.Open this graph

Kanji in 凸凹

お凸おでこbrow; forehead
凸版とっぱんletterpress; relief printing
凸版印刷とっぱんいんさつletterpress; relief printing
凹凸おうとつunevenness; bumpiness
両凸りょうとつbiconvex
亜鉛凸版あえんとっぱんphotoengraving
写真凸版しゃしんとっぱんphototype
凸でこbrow; forehead
凹みくぼみhollow; cavity
凹むへこむto be dented; to be indented
凸凹コンビでこぼこコンビodd couple; incongruous couple
凸凹紙とつおうしembossed paper
凹おうconcave; hollow
凹き所に水溜まるくぼきところにみずたまるwhen the right conditions are fulfilled, things will turn out well on their own; a sunken place will collect water
凹ますへこますto dent; to indent

See how 凸凹 connects to the rest of Japanese.