drough

The food used for this custom, worthy of barbarians, is a seed called drough; which is of an extraordinary fattening quality, and also famous for rendering the milk of nurses rich and abundant.

Female Scripture Biographies, Volume II Francis Augustus Cox 1818

I have to agree - the use of drough and drought could be seen as a typo.

Title Trouble Glenda Larke 2007

Makes you wonder what casused the long drough of the 1960s/70s in Kenya when the global temperaturees were quite a bit cooler and going down.

Al Gore's Letter to the Telegraph « Climate Audit 2006

Last year we had a drough emergency, but it seems that we are making up for that now.

"The Rainest Month of June" angelbaby67 2003

An 'when she do walk hwome vrom church drough the groun',

Poems of Rural Life in the Dorset Dialect William Barnes

So straïght as the zunbeams, a-shot drough the bough

Poems of Rural Life in the Dorset Dialect William Barnes

Whenne other children ornen to pleye · toward churche he drough.

A Literary History of the English People From the Origins to the Renaissance Jean Jules Jusserand

An 'tapp'd, drough little holes noo eyes could spy,

Poems of Rural Life in the Dorset Dialect William Barnes

That shot all drough the lim's o'n, an 'left a cwold zweat,

Poems of Rural Life in the Dorset Dialect William Barnes

'Merican midshipman overboard once, so they say, drough a porthole.

A Poor Man's House Stephen Sydney Reynolds 1900