--- a/doc/interpreter/doccheck/aspell-octave.en.pws
+++ b/doc/interpreter/doccheck/aspell-octave.en.pws
@@ -137,6 +137,7 @@
 CLI
 clim
 cloglog
+closerequestfcn
 clubsuit
 CMatrix
 cmd
@@ -240,6 +241,7 @@
 dx
 dy
 EastOutside
+edgecolor
 EIDORS
 eigenpairs
 eigenvector
@@ -336,6 +338,7 @@
 gampdf
 gamrnd
 Gautschi
+gca
 gcbo
 GCC
 gcd
@@ -387,6 +390,7 @@
 Hackbusch
 Hadamard
 Haddad
+HandleVisibility
 Hankel
 Hanning
 hardcode
@@ -527,6 +531,7 @@
 linesearch
 linespec
 linespoints
+linestyle
 linkprop
 listdlg
 ListSize
@@ -583,6 +588,7 @@
 McNemar's
 meansq
 Mendelsohn
+menubars
 Mersenne
 meshgrid
 meshgridded
@@ -648,6 +654,7 @@
 Neudecker
 Neumann
 NeXT
+NextPlot
 nfev
 nfft
 Ng
@@ -698,8 +705,10 @@
 overridable
 paperorientation
 paperposition
+PaperPosition
 papersize
 paperunits
+PaperUnits
 parseparams
 Parter
 pbm
@@ -807,6 +816,7 @@
 ren
 renderer
 repelems
+replacechildren
 repmat
 resampled
 resampling
@@ -942,6 +952,7 @@
 subsref
 substring
 substrings
+subwindows
 SuiteSparse
 sumsq
 SunOS
@@ -997,8 +1008,10 @@
 treelayout
 treeplot
 tridiagonal
+trimesh
 triplot
 trnd
+TrueColor
 Tsang
 Tukey
 tuples
@@ -1096,6 +1109,7 @@
 windowstyle
 WinRand
 WIPO
+wireframe
 wp
 wspace
 xb

--- a/scripts/image/imread.m
+++ b/scripts/image/imread.m
@@ -70,7 +70,7 @@
 ## Controls the image region that is read.  Takes as value a cell array
 ## with two arrays of 3 elements @code{@{@var{rows} @var{cols}@}}.  The
 ## elements in the array are the start, increment and end pixel to be
-## read.  If the increment value is ommited, defaults to 1.
+## read.  If the increment value is omitted, defaults to 1.
 ## @end table
 ##
 ## @seealso{imwrite, imfinfo, imformats}

--- a/scripts/image/imwrite.m
+++ b/scripts/image/imwrite.m
@@ -27,7 +27,7 @@
 ## The image @var{img} can be a binary, grayscale, RGB, or multi-dimensional
 ## image.  The size and class of @var{img} should be the same as what should
 ## be expected when reading it with @code{imread}: the 3rd and 4th dimensions
-## reserved for colorspace, and multiple pages respectively.  If it's an
+## reserved for color space, and multiple pages respectively.  If it's an
 ## indexed image, the colormap @var{map} must also be specified.
 ##
 ## If @var{ext} is not supplied, the file extension of @var{filename} is used

--- a/scripts/linear-algebra/cond.m
+++ b/scripts/linear-algebra/cond.m
@@ -37,7 +37,7 @@
 ## The condition number of a matrix quantifies the sensitivity of the matrix
 ## inversion operation when small changes are made to matrix elements.  Ideally
 ## the condition number will be close to 1.  When the number is large this
-## indicates small changes (such as underflow or roundoff error) will produce
+## indicates small changes (such as underflow or round-off error) will produce
 ## large changes in the resulting output.  In such cases the solution results
 ## from numerical computing are not likely to be accurate.
 ## @seealso{condest, rcond, norm, svd}

--- a/scripts/miscellaneous/edit.m
+++ b/scripts/miscellaneous/edit.m
@@ -80,10 +80,10 @@
 ## @item @code{[EDITOR, " %s"]}
 ## Use the editor which Octave uses for @code{edit_history}.
 ##
-## @item "xedit %s &"
+## @item @nospell{"xedit %s &"}
 ## pop up simple X11 editor in a separate window
 ##
-## @item "gnudoit -q \"(find-file \\\"%s\\\")\""
+## @item @nospell{"gnudoit -q \"(find-file \\\"%s\\\")\""}
 ## Send it to current Emacs; must have @code{(gnuserv-start)} in @file{.emacs}.
 ## @end table
 ##

--- a/scripts/plot/orient.m
+++ b/scripts/plot/orient.m
@@ -25,7 +25,7 @@
 ##
 ## Valid values for @var{orientation} are "landscape", "portrait", and "tall".
 ##
-## The "tall" option sets the orientation to portait and fills
+## The "tall" option sets the orientation to portrait and fills
 ## the page with the plot, while leaving a 0.25 inch border.
 ##
 ## When called with no arguments, return the default print orientation.