atrium, -i, n.

noun

atrium, reception hall

derivative: atrium

canis, -is, m./f.

noun

dog

derivatives: canine, canary

coquus, -i, m.

noun

cook

derivatives: cook, cookie

cubiculum, -i, n.

noun

bedroom

derivative: cubicle, cube, cubic

culina, -ae, f.

noun

kitchen

derivative: culinary

est

sum, esse, fui, futurus

verb

is

derivative: essence, essential, quintessence, quintessential, interest, represent, nonentity

filius, -i, m.

noun

note: the opposite of this word is filia, -ae, f.

son

derivatives: filial, affiliation, affiliated,

hortus, -i, m.

noun

garden

derivatives: horticulture

in

preposition

in, on, into, onto

derivatives: in, interior, invent, inspect (and thousands more)

laboro, laborare, laboravi, laboratus

verb

to work

derivatives: belabor, collaborate, collaborator, elaborate, elaboration, labor, laboratory, laborer, laborious

mater, matris, f.

noun

mother

derivatives: maternal, maternity, matrimony, matrix, matron

pater, patris, m.

noun

father

derivatives: paternal, paternity, patrician, patrimonial, patron, patronage, patronize, patter

sedeo, sedere, sedi, sessus

verb

to sit

derivatives: assess, assiduous, assizes, insidious, obsess, possess, president, reside, residual, residue, sedate, sedative, sedentary, sediment, session, siege, size, unprepossessing

servus, -i, m.

noun

slave

derivatives: servile, servitude, servant, observer, preserver, reserve, deserve, conserve, subserviant

tablinum, -i, n.

noun

study

derviatives: there are no derivatives

triclinium, -i, n.

noun

dining room

derivatives: none in English

via, -ae, f.

noun

street, road

derivatives:  convey, conveyance, conveyor, convoy, deviate, devious, envoy, impervious, obviate, obvious, previous, trivial, via, viaduct