cal·cu·lus

pebble
stone

Synonyms for calculus

calx – aim, goal, lime, pebble, stone, the heel

Similar to calculus

baculus – cane, staff, walking stick
oculus – eye
sacculus – little bag, little sack, purse
surculus – shoot, sprout
plusculus – rather more, somewhat more
opusculus – a little or small work, a small book
peniculus – a sponge, brush