A dictionary of Confusable Phrases: More Than 10,000 Idioms and Collocations

peace dove • peaceful dove
peace dove —(also: dove of peace) a figure of a white dove as
pass one’s word
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a symbol of peace: There may be no better symbol of peace
than this peace dove pendant.
peaceful dove —a mainly sedentary dove (Geopelia placida)
widely distributed through eucalypt forests of Australia: The
Peaceful Dove has grey-brown upperparts, barred with black,
pink-buff underparts.
peak time • up time
peak time—
1
. (also: peak hours) periods when traffic, con-
sumption of electricity, etc. is at its highest: The survey shows
that average peak time traffic speeds have risen. 2. (Radio, TV)
a period characterized by the largest audience of the day: This
peak-time program will be geared for a Sunday night family
audience.
up time —the time when a machine or computer is operat-
ing: Maximum up-time is assured with the ability to replace
a failed server disk or power supply, on-the-fly.
Note: 
The expression does not correlate in meaning with the
phrase time is up—(of a period of time) expire; be over: The
water clock was used to control speakers’ times. When the
water ran out, the speaker’s time was up.
See also: high time / low time.
Peeping Tom • Peeping-Tom TV
Peeping Tom —a person who gets (sexual) pleasure, from
secretly watching others: Why don’t you tell everyone that
Bob is a Peeping Tom? You saw him peeping into Mariah’s
bedroom window…
Peeping-Tom TV —said of reality television shows that focus
on the personal lives of ordinary people: “Taxi!” is the latest
manifestation of Peeping Tom TV, of which Jeremy Beadle is
the brand master.