\begin{figure*}
\scriptsize
\begin{center}
\begin{tabular}{r|rrrrr}
rank&a&b&c&d&e\\\hline
1&mode&command&ignor&cadenc&inst5\\
2&command&step&compar&data&valu\\
3&ac&test&valu&long&inst4\\
4&engcntrl&scenario&unsign&flight&inst6\\
5&sr&fsw&int&avion&softwar\\
6&tabl&ac&char&softwar&sr\\
7&softwar&code&\_vbuf&spacecraft&data\\
8&memori&state&common2hdlclitehdlclitec&would&unsign\\
9&flight&ivv&short&command&command\\
10&error&document&common2/includ/hl\_protoh&mode&document\\
11&script&valu&\_hlite\_cntl\_blk&target&paramet\\
12&data&section&trace&scienc&set\\
13&execut&verifi&tim&process&code\\
14&sequenc&list&command&appear&case\\
15&point&us&long&ffi&section\\
16&spacecraft&data&common2/includ/vbufh&downward&control\\
17&telemetri&sr&icd&spec&fsw\\
18&control&parent&document&point&inst9\\
19&state&softwar&section&implement&l4\\
20&initi&page&fsw&field&l5\\
21&interrupt&algorithm&mu&note&assign\\
22&fault&need&glori&case&error\\
23&valu&control&spacecraft&fsw&interfac\\
24&oper&indic&perform&us&state\\
25&rvm&check&common2c&manag&design\\
26&obc&all&telemetri&fpa&capabl\\
27&system&telemetri&mode&fg&flight\\
28&section&declar&system&fulli&jpl\\
29&us&counter&softwar&valu&initi\\
30&uplink&line&data&short&us\\
31&code&interfac&specifi&set&flow\\
32&checksum&defin&ground&fault&icd\\
33&fp&rate&matrix&segment&releas\\
34&task&comment&spec&onli&level\\
35&monitor&req&sc&pixel&trace\\
36&number&includ&cdh&code&time\\
37&specifi&thruster&instrument&dure&short\\
38&includ&onli&pip&tabl&power\\
39&cdh&set&artifact&trace&artifact\\
40&defin&can&common2/includ/emsfunch&initi&int\\
41&messag&valid&oper&sc&fault\\
42&all&execut&em\_map\_pageunsign&capabl&word\\
43&rate&level&common2genermm\_utilc&kav&convent\\
44&address&arrai&packet&and/or&chart\\
45&safe&number&all&csc&number\\
46&paramet&statement&valid&design&check\\
47&perform&the&parent&switch&specifi\\
48&time&error&verif&method&actuat\\
49&attitud&review&traceabl&protect&mode\\
50&fsw&in&initi&engin&issu\\
\end{tabular}
\end{center}
\caption{Top 50 words (ranked by TF*IDF) seen in five NASA defect reports.}
\end{figure*}
\end{figure*}
\begin{center}
\begin{tabular}{r|rrrrr}
rank&a&b&c&d&e\\\hline
51&capabl&exampl&satellit&apertur&messag\\
52&l4&requir&scienc&perform&macro\\
53&reset&packet&child&hardwar&posit\\
54&case&address&accuraci&logic&the\\
55&indic&tabl&mechan&statement&implement\\
56&indic&tabl&mechan&statement&implement\\
57&transit&issu&capabl&line&list\\
58&event&current&configur&within&condit\\
59&bootload&verif&specif&safe&tabl\\
60&load&fail&asec&period&line\\
61&l3&procedur&refer&oper&dl\\
62&check&pse&s919-er2342&smear&function\\
63&current&reset&list&contain&oper\\
64&procedur&on&control&/line&switch\\
65&respons&case&ap&on&statu\\
66&document&inform&tp&detail&variabl\\
67&set&uint32&vbuf\_unpadstruct&autonom&descript\\
68&design&correct&vbuf\_freestruct&black&defin\\
69&vml&trace&common2genertlm\_cmdc&packet&test\\
70&trace&plan&us&store&call\\
71&engin&chang&note&support&all\\
72&tss\_get\_curr\_valu&two&adac&respect&rev\\
73&scrub&end&interfac&check&refer\\
74&process&gce&orbit&comment&fail\\
75&note&paramet&gloricdhcommgenportc&implic&spacecraft\\
76&ground&updat&float&level&requir\\
77&vm&charact&includ&document&version\\
78&enabl&rvtm&electr&exist&septemb\\
79&onli&caus&rate&all&temperatur\\
80&calcul&variabl&launch&mask&rafsw\\
81&accept&buffer&who/what&fine&rqmt\\
82&packet&fprintfsetup&power&error&read\\
83&rt&function&channel&column&tefsw\\
84&list[&instanc&point&collect&declar\\
85&word&els&common2routerrouterc&violat&stp\\
86&within&base&store&momentum&discret\\
87&link&sdn&downlink&collater&gener\\
88&verifi&time&comm&enter&subsystem\\
89&arrai&flag&safehold&defin&configur\\
90&receiv&read&subsystem&bin&c\\
91&refer&pass&soh&appar&long\\
92&power&detail&commun&could&reset\\
93&second&complet&compon&ccd&enabl\\
94&singl&void&detail&zero&b\\
95&dump&true&collect&ground&m\\
96&support&alloc&syspciinbyt&signal&char\\
97&specif&specif&struct&requir&current\\
98&dure&initi&hlite\_freestruct&default&compon\\
99&issu&specifi&common2genercom\_cmdc&second&hardwar\\
100&log&condit&possibl&nim&clear\\
\end{tabular}
\end{center}
\caption{Top 51 to 100  words (ranked by TF*IDF) seen in five NASA defect reports.}
\end{figure*}
