凹 ⇒

• 凵         kǎn, receptacle
• 3         
• ?         

槽 ⇒

• 木         Mù/mù, surname Mu, tree/wood/coffin/wooden/simple/numb/one of the eight categories of a...
• 曹         Cáo/cáo, surname Cao/Zhou Dynasty vassal state, class or grade/generation/plaintiff and d...
  • 一         yī, one/1/single/a (article)/as soon as/entire/whole/all/throughout/"one" radical in...
  • 曲         Qū/qū/qǔ, [麯]/[麴], surname Qu, bent/crooked/wrong, tune/song/CL:支[zhī], variant of 麴|曲[qū], yeast/A...
  • 曰         yuē, to speak/to say

凹 ⇒

• 兕        sì, (meaning uncertain); rhinoceros (possibly female) or bull
• 垇        

槽 ⇒

凹 ⇒
凹         āo/wā, depressed/sunken/indented/concave/female (connector etc), variant of 窪|洼[wā]/(us...
凹陷         āoxiàn, to cave in/hollow/sunken/depressed
凹槽         āocáo, recess/notch/groove/fillister
凹凸         āotū, concave or convex/bumps and holes/uneven (surface)/rugged
凹坑         āokēng, concave depression/crater
凹凸不平         āotūbùpíng, uneven (surface)/bumpy (road)
凹面         

槽 ⇒
槽         cáo, trough/manger/groove/channel/(Tw) (computing) hard drive
水槽         shuǐcáo, sink
跳槽         tiàocáo, to change jobs/job-hopping
凹槽         āocáo, recess/notch/groove/fillister
沟槽         gōucáo, [溝槽], groove/furrow/trench
牛槽         
食槽         shícáo, manger
槽牙         cáoyá, molar tooth