thingummy

noun 0.805

thingy

noun 0.722

doohickey

noun 0.697

whatsit

noun 0.627

thing

noun 0.607

doodad

noun 0.593

gadget

noun 0.586

something or other

noun 0.567

something

noun 0.565

the thing of it

noun 0.544

whatsisname

noun 0.541

shebang

noun 0.531

jig

noun 0.530

whirligig

noun 0.521

gimmick

noun 0.520

anything

noun 0.518

contraption

noun 0.514

gimcrack

noun 0.514

knick-knack

noun 0.513

whatshisname

noun 0.509

somesuch

noun 0.509