long-term

video-taped

co-operation

no-one

so-called

full-time

part-time

post-war

north-east

well-known

middle-class

make-up

old-fashioned

two-thirds

twenty-five

large-scale

south-east

Hewlett-Packard

north-west

twenty-four

vice-president

co-operative

south-west

one-third

would-be

co-ordination

middle-aged

well-being

first-class

decision-making

socio-economic

ms-dos

right-hand

up-to-date

x-ray

right-wing

co-operate

long-standing

five-year

set-up

twenty-one

day-to-day

secretary-general

nineteenth-century

pre-war

half-time

sub-committee

one-off

three-dimensional

build-up

oral-aggressive-anal-retentive-come-and-see-me-five-times-a-week-for-years-at-vast-expense-or-how-do-
I-know-you’re-really-committed

Often the change is from two words tea bag to one word with a hyphen tea-bag to no hyphen teabag. Dates from OED.

· tea bag 1898; tea-bag 1936 ; teabag 1977.

· time-table 1820; time table 1838; timetable 1970

· cooperate 1616: co-operate 1762

· head maister 1576; head-master 1791;

· screw driver 1779; screwdriver 1840; screw-driver 1842

· old fashioned 1653; old-fashion'd 1683; old-fashioned 1712

· weyle knawyne 1470; wel-knowene 1585; well-known 1780

· lamp shade 1850; lamp